Home / 102,737.28-154,118.20-43,565.26

Finding the Fourth Proportional to 102,737.28, 154,118.20 and 43,565.26

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Solution

The fourth proportional to 102,737.28, 154,118.20 and 43,565.26 is: 65,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,737.28 : 154,118.20 = 43,565.26 : x
  2. Step 2: Convert to fraction form
    102,737.28/154,118.20 = 43,565.26/x
  3. Step 3: Cross multiply
    102,737.28x = 154,118.20 × 43,565.26
  4. Step 4: Simplify right side
    102,737.28x = 6,714,199,453.73
  5. Step 5: Solve for x
    x = 6,714,199,453.73/102,737.28
  6. Step 6: Final answer
    x = 65,353.10

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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.