Home / 130,281.30-195,750-82,918.17

Finding the Fourth Proportional to 130,281.30, 195,750 and 82,918.17

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Solution

The fourth proportional to 130,281.30, 195,750 and 82,918.17 is: 124,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,281.30 : 195,750 = 82,918.17 : x
  2. Step 2: Convert to fraction form
    130,281.30/195,750 = 82,918.17/x
  3. Step 3: Cross multiply
    130,281.30x = 195,750 × 82,918.17
  4. Step 4: Simplify right side
    130,281.30x = 16,231,231,777.50
  5. Step 5: Solve for x
    x = 16,231,231,777.50/130,281.30
  6. Step 6: Final answer
    x = 124,586.04

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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.