Home / 124,908.13-172,377.30-68,319.51

Finding the Fourth Proportional to 124,908.13, 172,377.30 and 68,319.51

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Solution

The fourth proportional to 124,908.13, 172,377.30 and 68,319.51 is: 94,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,908.13 : 172,377.30 = 68,319.51 : x
  2. Step 2: Convert to fraction form
    124,908.13/172,377.30 = 68,319.51/x
  3. Step 3: Cross multiply
    124,908.13x = 172,377.30 × 68,319.51
  4. Step 4: Simplify right side
    124,908.13x = 11,776,732,671.12
  5. Step 5: Solve for x
    x = 11,776,732,671.12/124,908.13
  6. Step 6: Final answer
    x = 94,283.16

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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.