Home / 179,707.32-247,995.41-99,139.86

Finding the Fourth Proportional to 179,707.32, 247,995.41 and 99,139.86

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Solution

The fourth proportional to 179,707.32, 247,995.41 and 99,139.86 is: 136,812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,707.32 : 247,995.41 = 99,139.86 : x
  2. Step 2: Convert to fraction form
    179,707.32/247,995.41 = 99,139.86/x
  3. Step 3: Cross multiply
    179,707.32x = 247,995.41 × 99,139.86
  4. Step 4: Simplify right side
    179,707.32x = 24,586,229,732.34
  5. Step 5: Solve for x
    x = 24,586,229,732.34/179,707.32
  6. Step 6: Final answer
    x = 136,812.62

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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.