Home / 102,131.28-153,184.37-35,565.62

Finding the Fourth Proportional to 102,131.28, 153,184.37 and 35,565.62

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Solution

The fourth proportional to 102,131.28, 153,184.37 and 35,565.62 is: 53,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,131.28 : 153,184.37 = 35,565.62 : x
  2. Step 2: Convert to fraction form
    102,131.28/153,184.37 = 35,565.62/x
  3. Step 3: Cross multiply
    102,131.28x = 153,184.37 × 35,565.62
  4. Step 4: Simplify right side
    102,131.28x = 5,448,096,149.61
  5. Step 5: Solve for x
    x = 5,448,096,149.61/102,131.28
  6. Step 6: Final answer
    x = 53,344.05

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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.