Home / 103,658.30-155,293.05-96,659.90

Finding the Fourth Proportional to 103,658.30, 155,293.05 and 96,659.90

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Solution

The fourth proportional to 103,658.30, 155,293.05 and 96,659.90 is: 144,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658.30 : 155,293.05 = 96,659.90 : x
  2. Step 2: Convert to fraction form
    103,658.30/155,293.05 = 96,659.90/x
  3. Step 3: Cross multiply
    103,658.30x = 155,293.05 × 96,659.90
  4. Step 4: Simplify right side
    103,658.30x = 15,010,610,683.70
  5. Step 5: Solve for x
    x = 15,010,610,683.70/103,658.30
  6. Step 6: Final answer
    x = 144,808.57

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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.