Home / 124,732.59-187,172.69-45,902.17

Finding the Fourth Proportional to 124,732.59, 187,172.69 and 45,902.17

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Solution

The fourth proportional to 124,732.59, 187,172.69 and 45,902.17 is: 68,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,732.59 : 187,172.69 = 45,902.17 : x
  2. Step 2: Convert to fraction form
    124,732.59/187,172.69 = 45,902.17/x
  3. Step 3: Cross multiply
    124,732.59x = 187,172.69 × 45,902.17
  4. Step 4: Simplify right side
    124,732.59x = 8,591,632,898.39
  5. Step 5: Solve for x
    x = 8,591,632,898.39/124,732.59
  6. Step 6: Final answer
    x = 68,880.42

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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.