Home / 179,881.28-248,234.76-99,308.72

Finding the Fourth Proportional to 179,881.28, 248,234.76 and 99,308.72

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Solution

The fourth proportional to 179,881.28, 248,234.76 and 99,308.72 is: 137,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,881.28 : 248,234.76 = 99,308.72 : x
  2. Step 2: Convert to fraction form
    179,881.28/248,234.76 = 99,308.72/x
  3. Step 3: Cross multiply
    179,881.28x = 248,234.76 × 99,308.72
  4. Step 4: Simplify right side
    179,881.28x = 24,651,876,275.11
  5. Step 5: Solve for x
    x = 24,651,876,275.11/179,881.28
  6. Step 6: Final answer
    x = 137,045.26

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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.