Home / 123,437.28-170,343.90-66,848.52

Finding the Fourth Proportional to 123,437.28, 170,343.90 and 66,848.52

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Solution

The fourth proportional to 123,437.28, 170,343.90 and 66,848.52 is: 92,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,437.28 : 170,343.90 = 66,848.52 : x
  2. Step 2: Convert to fraction form
    123,437.28/170,343.90 = 66,848.52/x
  3. Step 3: Cross multiply
    123,437.28x = 170,343.90 × 66,848.52
  4. Step 4: Simplify right side
    123,437.28x = 11,387,237,606.03
  5. Step 5: Solve for x
    x = 11,387,237,606.03/123,437.28
  6. Step 6: Final answer
    x = 92,251.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.