Home / 84,248.30-126,372.45-77,833.10

Finding the Fourth Proportional to 84,248.30, 126,372.45 and 77,833.10

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Solution

The fourth proportional to 84,248.30, 126,372.45 and 77,833.10 is: 116,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248.30 : 126,372.45 = 77,833.10 : x
  2. Step 2: Convert to fraction form
    84,248.30/126,372.45 = 77,833.10/x
  3. Step 3: Cross multiply
    84,248.30x = 126,372.45 × 77,833.10
  4. Step 4: Simplify right side
    84,248.30x = 9,835,959,538.10
  5. Step 5: Solve for x
    x = 9,835,959,538.10/84,248.30
  6. Step 6: Final answer
    x = 116,749.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.