Home / 84,250.90-126,004.56-74,956.15

Finding the Fourth Proportional to 84,250.90, 126,004.56 and 74,956.15

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Solution

The fourth proportional to 84,250.90, 126,004.56 and 74,956.15 is: 112,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,250.90 : 126,004.56 = 74,956.15 : x
  2. Step 2: Convert to fraction form
    84,250.90/126,004.56 = 74,956.15/x
  3. Step 3: Cross multiply
    84,250.90x = 126,004.56 × 74,956.15
  4. Step 4: Simplify right side
    84,250.90x = 9,444,816,700.04
  5. Step 5: Solve for x
    x = 9,444,816,700.04/84,250.90
  6. Step 6: Final answer
    x = 112,103.45

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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.