Home / 179,581.78-247,833.99-99,009.15

Finding the Fourth Proportional to 179,581.78, 247,833.99 and 99,009.15

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Solution

The fourth proportional to 179,581.78, 247,833.99 and 99,009.15 is: 136,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,581.78 : 247,833.99 = 99,009.15 : x
  2. Step 2: Convert to fraction form
    179,581.78/247,833.99 = 99,009.15/x
  3. Step 3: Cross multiply
    179,581.78x = 247,833.99 × 99,009.15
  4. Step 4: Simplify right side
    179,581.78x = 24,537,832,691.01
  5. Step 5: Solve for x
    x = 24,537,832,691.01/179,581.78
  6. Step 6: Final answer
    x = 136,638.77

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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.