Home / 84,299.40-126,455.62-25,130.52

Finding the Fourth Proportional to 84,299.40, 126,455.62 and 25,130.52

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Solution

The fourth proportional to 84,299.40, 126,455.62 and 25,130.52 is: 37,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,299.40 : 126,455.62 = 25,130.52 : x
  2. Step 2: Convert to fraction form
    84,299.40/126,455.62 = 25,130.52/x
  3. Step 3: Cross multiply
    84,299.40x = 126,455.62 × 25,130.52
  4. Step 4: Simplify right side
    84,299.40x = 3,177,895,487.52
  5. Step 5: Solve for x
    x = 3,177,895,487.52/84,299.40
  6. Step 6: Final answer
    x = 37,697.72

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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.