Home / 124,265.45-186,213.85-91,272.17

Finding the Fourth Proportional to 124,265.45, 186,213.85 and 91,272.17

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Solution

The fourth proportional to 124,265.45, 186,213.85 and 91,272.17 is: 136,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,265.45 : 186,213.85 = 91,272.17 : x
  2. Step 2: Convert to fraction form
    124,265.45/186,213.85 = 91,272.17/x
  3. Step 3: Cross multiply
    124,265.45x = 186,213.85 × 91,272.17
  4. Step 4: Simplify right side
    124,265.45x = 16,996,142,173.55
  5. Step 5: Solve for x
    x = 16,996,142,173.55/124,265.45
  6. Step 6: Final answer
    x = 136,772.87

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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.