Home / 95,864.10-143,796.15-86,532.90

Finding the Fourth Proportional to 95,864.10, 143,796.15 and 86,532.90

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Solution

The fourth proportional to 95,864.10, 143,796.15 and 86,532.90 is: 129,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,864.10 : 143,796.15 = 86,532.90 : x
  2. Step 2: Convert to fraction form
    95,864.10/143,796.15 = 86,532.90/x
  3. Step 3: Cross multiply
    95,864.10x = 143,796.15 × 86,532.90
  4. Step 4: Simplify right side
    95,864.10x = 12,443,097,868.34
  5. Step 5: Solve for x
    x = 12,443,097,868.34/95,864.10
  6. Step 6: Final answer
    x = 129,799.35

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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.