Home / 129,539.70-178,752.66-95,567.10

Finding the Fourth Proportional to 129,539.70, 178,752.66 and 95,567.10

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Solution

The fourth proportional to 129,539.70, 178,752.66 and 95,567.10 is: 131,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,539.70 : 178,752.66 = 95,567.10 : x
  2. Step 2: Convert to fraction form
    129,539.70/178,752.66 = 95,567.10/x
  3. Step 3: Cross multiply
    129,539.70x = 178,752.66 × 95,567.10
  4. Step 4: Simplify right side
    129,539.70x = 17,082,873,333.49
  5. Step 5: Solve for x
    x = 17,082,873,333.49/129,539.70
  6. Step 6: Final answer
    x = 131,873.65

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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.