Home / 125,376.61-173,031.44-71,651.13

Finding the Fourth Proportional to 125,376.61, 173,031.44 and 71,651.13

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Solution

The fourth proportional to 125,376.61, 173,031.44 and 71,651.13 is: 98,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,376.61 : 173,031.44 = 71,651.13 : x
  2. Step 2: Convert to fraction form
    125,376.61/173,031.44 = 71,651.13/x
  3. Step 3: Cross multiply
    125,376.61x = 173,031.44 × 71,651.13
  4. Step 4: Simplify right side
    125,376.61x = 12,397,897,843.27
  5. Step 5: Solve for x
    x = 12,397,897,843.27/125,376.61
  6. Step 6: Final answer
    x = 98,885.25

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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.