Home / 208,925.28-288,318.96-113,432.76

Finding the Fourth Proportional to 208,925.28, 288,318.96 and 113,432.76

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Solution

The fourth proportional to 208,925.28, 288,318.96 and 113,432.76 is: 156,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,925.28 : 288,318.96 = 113,432.76 : x
  2. Step 2: Convert to fraction form
    208,925.28/288,318.96 = 113,432.76/x
  3. Step 3: Cross multiply
    208,925.28x = 288,318.96 × 113,432.76
  4. Step 4: Simplify right side
    208,925.28x = 32,704,815,393.13
  5. Step 5: Solve for x
    x = 32,704,815,393.13/208,925.28
  6. Step 6: Final answer
    x = 156,538.33

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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.