Home / 130,414.08-195,732.90-129,432.36

Finding the Fourth Proportional to 130,414.08, 195,732.90 and 129,432.36

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Solution

The fourth proportional to 130,414.08, 195,732.90 and 129,432.36 is: 194,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,414.08 : 195,732.90 = 129,432.36 : x
  2. Step 2: Convert to fraction form
    130,414.08/195,732.90 = 129,432.36/x
  3. Step 3: Cross multiply
    130,414.08x = 195,732.90 × 129,432.36
  4. Step 4: Simplify right side
    130,414.08x = 25,334,171,176.64
  5. Step 5: Solve for x
    x = 25,334,171,176.64/130,414.08
  6. Step 6: Final answer
    x = 194,259.48

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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.