Home / 124,908.60-172,370.36-68,318.76

Finding the Fourth Proportional to 124,908.60, 172,370.36 and 68,318.76

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Solution

The fourth proportional to 124,908.60, 172,370.36 and 68,318.76 is: 94,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,908.60 : 172,370.36 = 68,318.76 : x
  2. Step 2: Convert to fraction form
    124,908.60/172,370.36 = 68,318.76/x
  3. Step 3: Cross multiply
    124,908.60x = 172,370.36 × 68,318.76
  4. Step 4: Simplify right side
    124,908.60x = 11,776,129,255.95
  5. Step 5: Solve for x
    x = 11,776,129,255.95/124,908.60
  6. Step 6: Final answer
    x = 94,277.97

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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.