Home / 149,836.47-224,753.16-86,616.36

Finding the Fourth Proportional to 149,836.47, 224,753.16 and 86,616.36

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Solution

The fourth proportional to 149,836.47, 224,753.16 and 86,616.36 is: 129,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,836.47 : 224,753.16 = 86,616.36 : x
  2. Step 2: Convert to fraction form
    149,836.47/224,753.16 = 86,616.36/x
  3. Step 3: Cross multiply
    149,836.47x = 224,753.16 × 86,616.36
  4. Step 4: Simplify right side
    149,836.47x = 19,467,300,617.70
  5. Step 5: Solve for x
    x = 19,467,300,617.70/149,836.47
  6. Step 6: Final answer
    x = 129,923.65

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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.