Home / 122,311.28-168,773.25-67,862.57

Finding the Fourth Proportional to 122,311.28, 168,773.25 and 67,862.57

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Solution

The fourth proportional to 122,311.28, 168,773.25 and 67,862.57 is: 93,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,311.28 : 168,773.25 = 67,862.57 : x
  2. Step 2: Convert to fraction form
    122,311.28/168,773.25 = 67,862.57/x
  3. Step 3: Cross multiply
    122,311.28x = 168,773.25 × 67,862.57
  4. Step 4: Simplify right side
    122,311.28x = 11,453,386,914.19
  5. Step 5: Solve for x
    x = 11,453,386,914.19/122,311.28
  6. Step 6: Final answer
    x = 93,641.30

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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.