Home / 155,617.13-233,241.15-139,747.70

Finding the Fourth Proportional to 155,617.13, 233,241.15 and 139,747.70

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Solution

The fourth proportional to 155,617.13, 233,241.15 and 139,747.70 is: 209,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,617.13 : 233,241.15 = 139,747.70 : x
  2. Step 2: Convert to fraction form
    155,617.13/233,241.15 = 139,747.70/x
  3. Step 3: Cross multiply
    155,617.13x = 233,241.15 × 139,747.70
  4. Step 4: Simplify right side
    155,617.13x = 32,594,914,257.86
  5. Step 5: Solve for x
    x = 32,594,914,257.86/155,617.13
  6. Step 6: Final answer
    x = 209,455.82

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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.