Home / 91,943.28-126,894.52-51,660.16

Finding the Fourth Proportional to 91,943.28, 126,894.52 and 51,660.16

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Solution

The fourth proportional to 91,943.28, 126,894.52 and 51,660.16 is: 71,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,943.28 : 126,894.52 = 51,660.16 : x
  2. Step 2: Convert to fraction form
    91,943.28/126,894.52 = 51,660.16/x
  3. Step 3: Cross multiply
    91,943.28x = 126,894.52 × 51,660.16
  4. Step 4: Simplify right side
    91,943.28x = 6,555,391,206.32
  5. Step 5: Solve for x
    x = 6,555,391,206.32/91,943.28
  6. Step 6: Final answer
    x = 71,298.21

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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.