Home / 124,744.14-172,138.86-68,155.47

Finding the Fourth Proportional to 124,744.14, 172,138.86 and 68,155.47

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Solution

The fourth proportional to 124,744.14, 172,138.86 and 68,155.47 is: 94,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.14 : 172,138.86 = 68,155.47 : x
  2. Step 2: Convert to fraction form
    124,744.14/172,138.86 = 68,155.47/x
  3. Step 3: Cross multiply
    124,744.14x = 172,138.86 × 68,155.47
  4. Step 4: Simplify right side
    124,744.14x = 11,732,204,908.56
  5. Step 5: Solve for x
    x = 11,732,204,908.56/124,744.14
  6. Step 6: Final answer
    x = 94,050.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.