Home / 158,244.49-218,377.38-86,624.56

Finding the Fourth Proportional to 158,244.49, 218,377.38 and 86,624.56

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Solution

The fourth proportional to 158,244.49, 218,377.38 and 86,624.56 is: 119,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,244.49 : 218,377.38 = 86,624.56 : x
  2. Step 2: Convert to fraction form
    158,244.49/218,377.38 = 86,624.56/x
  3. Step 3: Cross multiply
    158,244.49x = 218,377.38 × 86,624.56
  4. Step 4: Simplify right side
    158,244.49x = 18,916,844,456.45
  5. Step 5: Solve for x
    x = 18,916,844,456.45/158,244.49
  6. Step 6: Final answer
    x = 119,541.88

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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.