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Finding the Fourth Proportional to 121,503.80, 182,474.40 and 88,261.40

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Solution

The fourth proportional to 121,503.80, 182,474.40 and 88,261.40 is: 132,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,503.80 : 182,474.40 = 88,261.40 : x
  2. Step 2: Convert to fraction form
    121,503.80/182,474.40 = 88,261.40/x
  3. Step 3: Cross multiply
    121,503.80x = 182,474.40 × 88,261.40
  4. Step 4: Simplify right side
    121,503.80x = 16,105,446,008.16
  5. Step 5: Solve for x
    x = 16,105,446,008.16/121,503.80
  6. Step 6: Final answer
    x = 132,550.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.