Home / 125,132.90-172,682.51-67,770.92

Finding the Fourth Proportional to 125,132.90, 172,682.51 and 67,770.92

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Solution

The fourth proportional to 125,132.90, 172,682.51 and 67,770.92 is: 93,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,132.90 : 172,682.51 = 67,770.92 : x
  2. Step 2: Convert to fraction form
    125,132.90/172,682.51 = 67,770.92/x
  3. Step 3: Cross multiply
    125,132.90x = 172,682.51 × 67,770.92
  4. Step 4: Simplify right side
    125,132.90x = 11,702,852,570.61
  5. Step 5: Solve for x
    x = 11,702,852,570.61/125,132.90
  6. Step 6: Final answer
    x = 93,523.39

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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.