Home / 146,282.16-219,378.24-76,123.20

Finding the Fourth Proportional to 146,282.16, 219,378.24 and 76,123.20

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Solution

The fourth proportional to 146,282.16, 219,378.24 and 76,123.20 is: 114,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,282.16 : 219,378.24 = 76,123.20 : x
  2. Step 2: Convert to fraction form
    146,282.16/219,378.24 = 76,123.20/x
  3. Step 3: Cross multiply
    146,282.16x = 219,378.24 × 76,123.20
  4. Step 4: Simplify right side
    146,282.16x = 16,699,773,639.17
  5. Step 5: Solve for x
    x = 16,699,773,639.17/146,282.16
  6. Step 6: Final answer
    x = 114,161.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.