Home / 102,565.10-153,847.65-55,793.90

Finding the Fourth Proportional to 102,565.10, 153,847.65 and 55,793.90

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Solution

The fourth proportional to 102,565.10, 153,847.65 and 55,793.90 is: 83,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,565.10 : 153,847.65 = 55,793.90 : x
  2. Step 2: Convert to fraction form
    102,565.10/153,847.65 = 55,793.90/x
  3. Step 3: Cross multiply
    102,565.10x = 153,847.65 × 55,793.90
  4. Step 4: Simplify right side
    102,565.10x = 8,583,760,399.34
  5. Step 5: Solve for x
    x = 8,583,760,399.34/102,565.10
  6. Step 6: Final answer
    x = 83,690.85

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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.