Home / 179,959.28-248,344.20-99,385.32

Finding the Fourth Proportional to 179,959.28, 248,344.20 and 99,385.32

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Solution

The fourth proportional to 179,959.28, 248,344.20 and 99,385.32 is: 137,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,959.28 : 248,344.20 = 99,385.32 : x
  2. Step 2: Convert to fraction form
    179,959.28/248,344.20 = 99,385.32/x
  3. Step 3: Cross multiply
    179,959.28x = 248,344.20 × 99,385.32
  4. Step 4: Simplify right side
    179,959.28x = 24,681,767,787.14
  5. Step 5: Solve for x
    x = 24,681,767,787.14/179,959.28
  6. Step 6: Final answer
    x = 137,151.96

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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.