Home / 131,217.52-181,090.20-74,625.52

Finding the Fourth Proportional to 131,217.52, 181,090.20 and 74,625.52

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Solution

The fourth proportional to 131,217.52, 181,090.20 and 74,625.52 is: 102,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,217.52 : 181,090.20 = 74,625.52 : x
  2. Step 2: Convert to fraction form
    131,217.52/181,090.20 = 74,625.52/x
  3. Step 3: Cross multiply
    131,217.52x = 181,090.20 × 74,625.52
  4. Step 4: Simplify right side
    131,217.52x = 13,513,950,341.90
  5. Step 5: Solve for x
    x = 13,513,950,341.90/131,217.52
  6. Step 6: Final answer
    x = 102,988.92

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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.