Home / 179,578.32-247,819.80-99,008.72

Finding the Fourth Proportional to 179,578.32, 247,819.80 and 99,008.72

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Solution

The fourth proportional to 179,578.32, 247,819.80 and 99,008.72 is: 136,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.32 : 247,819.80 = 99,008.72 : x
  2. Step 2: Convert to fraction form
    179,578.32/247,819.80 = 99,008.72/x
  3. Step 3: Cross multiply
    179,578.32x = 247,819.80 × 99,008.72
  4. Step 4: Simplify right side
    179,578.32x = 24,536,321,188.66
  5. Step 5: Solve for x
    x = 24,536,321,188.66/179,578.32
  6. Step 6: Final answer
    x = 136,632.98

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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.