Home / 172,769.40-238,417.38-96,288.84

Finding the Fourth Proportional to 172,769.40, 238,417.38 and 96,288.84

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Solution

The fourth proportional to 172,769.40, 238,417.38 and 96,288.84 is: 132,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,769.40 : 238,417.38 = 96,288.84 : x
  2. Step 2: Convert to fraction form
    172,769.40/238,417.38 = 96,288.84/x
  3. Step 3: Cross multiply
    172,769.40x = 238,417.38 × 96,288.84
  4. Step 4: Simplify right side
    172,769.40x = 22,956,932,956.04
  5. Step 5: Solve for x
    x = 22,956,932,956.04/172,769.40
  6. Step 6: Final answer
    x = 132,876.15

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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.