Home / 124,930.64-172,404.51-68,342.02

Finding the Fourth Proportional to 124,930.64, 172,404.51 and 68,342.02

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Solution

The fourth proportional to 124,930.64, 172,404.51 and 68,342.02 is: 94,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,930.64 : 172,404.51 = 68,342.02 : x
  2. Step 2: Convert to fraction form
    124,930.64/172,404.51 = 68,342.02/x
  3. Step 3: Cross multiply
    124,930.64x = 172,404.51 × 68,342.02
  4. Step 4: Simplify right side
    124,930.64x = 11,782,472,470.51
  5. Step 5: Solve for x
    x = 11,782,472,470.51/124,930.64
  6. Step 6: Final answer
    x = 94,312.11

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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.