Home / 84,306.76-126,459.96-25,140.94

Finding the Fourth Proportional to 84,306.76, 126,459.96 and 25,140.94

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Solution

The fourth proportional to 84,306.76, 126,459.96 and 25,140.94 is: 37,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,306.76 : 126,459.96 = 25,140.94 : x
  2. Step 2: Convert to fraction form
    84,306.76/126,459.96 = 25,140.94/x
  3. Step 3: Cross multiply
    84,306.76x = 126,459.96 × 25,140.94
  4. Step 4: Simplify right side
    84,306.76x = 3,179,322,266.76
  5. Step 5: Solve for x
    x = 3,179,322,266.76/84,306.76
  6. Step 6: Final answer
    x = 37,711.36

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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.