Home / 124,908.28-172,377.54-68,319.64

Finding the Fourth Proportional to 124,908.28, 172,377.54 and 68,319.64

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Solution

The fourth proportional to 124,908.28, 172,377.54 and 68,319.64 is: 94,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,908.28 : 172,377.54 = 68,319.64 : x
  2. Step 2: Convert to fraction form
    124,908.28/172,377.54 = 68,319.64/x
  3. Step 3: Cross multiply
    124,908.28x = 172,377.54 × 68,319.64
  4. Step 4: Simplify right side
    124,908.28x = 11,776,771,476.89
  5. Step 5: Solve for x
    x = 11,776,771,476.89/124,908.28
  6. Step 6: Final answer
    x = 94,283.35

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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.