Home / 146,890.76-202,709.24-79,822.76

Finding the Fourth Proportional to 146,890.76, 202,709.24 and 79,822.76

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Solution

The fourth proportional to 146,890.76, 202,709.24 and 79,822.76 is: 110,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,890.76 : 202,709.24 = 79,822.76 : x
  2. Step 2: Convert to fraction form
    146,890.76/202,709.24 = 79,822.76/x
  3. Step 3: Cross multiply
    146,890.76x = 202,709.24 × 79,822.76
  4. Step 4: Simplify right side
    146,890.76x = 16,180,811,014.30
  5. Step 5: Solve for x
    x = 16,180,811,014.30/146,890.76
  6. Step 6: Final answer
    x = 110,155.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.