Home / 125,083.28-172,614.98-67,722.59

Finding the Fourth Proportional to 125,083.28, 172,614.98 and 67,722.59

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Solution

The fourth proportional to 125,083.28, 172,614.98 and 67,722.59 is: 93,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,083.28 : 172,614.98 = 67,722.59 : x
  2. Step 2: Convert to fraction form
    125,083.28/172,614.98 = 67,722.59/x
  3. Step 3: Cross multiply
    125,083.28x = 172,614.98 × 67,722.59
  4. Step 4: Simplify right side
    125,083.28x = 11,689,933,518.40
  5. Step 5: Solve for x
    x = 11,689,933,518.40/125,083.28
  6. Step 6: Final answer
    x = 93,457.20

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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.