Home / 125,243.61-187,884.85-42,131.13

Finding the Fourth Proportional to 125,243.61, 187,884.85 and 42,131.13

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Solution

The fourth proportional to 125,243.61, 187,884.85 and 42,131.13 is: 63,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,243.61 : 187,884.85 = 42,131.13 : x
  2. Step 2: Convert to fraction form
    125,243.61/187,884.85 = 42,131.13/x
  3. Step 3: Cross multiply
    125,243.61x = 187,884.85 × 42,131.13
  4. Step 4: Simplify right side
    125,243.61x = 7,915,801,040.38
  5. Step 5: Solve for x
    x = 7,915,801,040.38/125,243.61
  6. Step 6: Final answer
    x = 63,203.23

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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.