Home / 199,432.24-299,060.72-74,685.76

Finding the Fourth Proportional to 199,432.24, 299,060.72 and 74,685.76

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Solution

The fourth proportional to 199,432.24, 299,060.72 and 74,685.76 is: 111,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432.24 : 299,060.72 = 74,685.76 : x
  2. Step 2: Convert to fraction form
    199,432.24/299,060.72 = 74,685.76/x
  3. Step 3: Cross multiply
    199,432.24x = 299,060.72 × 74,685.76
  4. Step 4: Simplify right side
    199,432.24x = 22,335,577,159.35
  5. Step 5: Solve for x
    x = 22,335,577,159.35/199,432.24
  6. Step 6: Final answer
    x = 111,995.82

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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.