Home / 179,614.13-247,864.76-99,039.58

Finding the Fourth Proportional to 179,614.13, 247,864.76 and 99,039.58

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Solution

The fourth proportional to 179,614.13, 247,864.76 and 99,039.58 is: 136,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,614.13 : 247,864.76 = 99,039.58 : x
  2. Step 2: Convert to fraction form
    179,614.13/247,864.76 = 99,039.58/x
  3. Step 3: Cross multiply
    179,614.13x = 247,864.76 × 99,039.58
  4. Step 4: Simplify right side
    179,614.13x = 24,548,420,983.74
  5. Step 5: Solve for x
    x = 24,548,420,983.74/179,614.13
  6. Step 6: Final answer
    x = 136,673.11

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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.