Home / 124,876.41-172,330.01-68,287.71

Finding the Fourth Proportional to 124,876.41, 172,330.01 and 68,287.71

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Solution

The fourth proportional to 124,876.41, 172,330.01 and 68,287.71 is: 94,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,876.41 : 172,330.01 = 68,287.71 : x
  2. Step 2: Convert to fraction form
    124,876.41/172,330.01 = 68,287.71/x
  3. Step 3: Cross multiply
    124,876.41x = 172,330.01 × 68,287.71
  4. Step 4: Simplify right side
    124,876.41x = 11,768,021,405.74
  5. Step 5: Solve for x
    x = 11,768,021,405.74/124,876.41
  6. Step 6: Final answer
    x = 94,237.35

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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.