Home / 122,539.28-169,098.98-71,554.86

Finding the Fourth Proportional to 122,539.28, 169,098.98 and 71,554.86

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Solution

The fourth proportional to 122,539.28, 169,098.98 and 71,554.86 is: 98,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,539.28 : 169,098.98 = 71,554.86 : x
  2. Step 2: Convert to fraction form
    122,539.28/169,098.98 = 71,554.86/x
  3. Step 3: Cross multiply
    122,539.28x = 169,098.98 × 71,554.86
  4. Step 4: Simplify right side
    122,539.28x = 12,099,853,482.27
  5. Step 5: Solve for x
    x = 12,099,853,482.27/122,539.28
  6. Step 6: Final answer
    x = 98,742.66

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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.