Home / 109,565.15-151,200.99-64,269.95

Finding the Fourth Proportional to 109,565.15, 151,200.99 and 64,269.95

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Solution

The fourth proportional to 109,565.15, 151,200.99 and 64,269.95 is: 88,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,565.15 : 151,200.99 = 64,269.95 : x
  2. Step 2: Convert to fraction form
    109,565.15/151,200.99 = 64,269.95/x
  3. Step 3: Cross multiply
    109,565.15x = 151,200.99 × 64,269.95
  4. Step 4: Simplify right side
    109,565.15x = 9,717,679,311.25
  5. Step 5: Solve for x
    x = 9,717,679,311.25/109,565.15
  6. Step 6: Final answer
    x = 88,693.16

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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.