Home / 124,937.79-172,418.30-68,349.16

Finding the Fourth Proportional to 124,937.79, 172,418.30 and 68,349.16

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Solution

The fourth proportional to 124,937.79, 172,418.30 and 68,349.16 is: 94,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,937.79 : 172,418.30 = 68,349.16 : x
  2. Step 2: Convert to fraction form
    124,937.79/172,418.30 = 68,349.16/x
  3. Step 3: Cross multiply
    124,937.79x = 172,418.30 × 68,349.16
  4. Step 4: Simplify right side
    124,937.79x = 11,784,645,973.63
  5. Step 5: Solve for x
    x = 11,784,645,973.63/124,937.79
  6. Step 6: Final answer
    x = 94,324.11

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1.5x scale

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.