Home / 147,520.44-221,379.08-76,508.55

Finding the Fourth Proportional to 147,520.44, 221,379.08 and 76,508.55

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Solution

The fourth proportional to 147,520.44, 221,379.08 and 76,508.55 is: 114,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,520.44 : 221,379.08 = 76,508.55 : x
  2. Step 2: Convert to fraction form
    147,520.44/221,379.08 = 76,508.55/x
  3. Step 3: Cross multiply
    147,520.44x = 221,379.08 × 76,508.55
  4. Step 4: Simplify right side
    147,520.44x = 16,937,392,028.59
  5. Step 5: Solve for x
    x = 16,937,392,028.59/147,520.44
  6. Step 6: Final answer
    x = 114,813.87

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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.