Home / 125,242.61-187,883.35-42,130.13

Finding the Fourth Proportional to 125,242.61, 187,883.35 and 42,130.13

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Solution

The fourth proportional to 125,242.61, 187,883.35 and 42,130.13 is: 63,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,242.61 : 187,883.35 = 42,130.13 : x
  2. Step 2: Convert to fraction form
    125,242.61/187,883.35 = 42,130.13/x
  3. Step 3: Cross multiply
    125,242.61x = 187,883.35 × 42,130.13
  4. Step 4: Simplify right side
    125,242.61x = 7,915,548,915.59
  5. Step 5: Solve for x
    x = 7,915,548,915.59/125,242.61
  6. Step 6: Final answer
    x = 63,201.73

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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.