Home / 147,819.43-221,996.40-136,562.65

Finding the Fourth Proportional to 147,819.43, 221,996.40 and 136,562.65

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Solution

The fourth proportional to 147,819.43, 221,996.40 and 136,562.65 is: 205,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,819.43 : 221,996.40 = 136,562.65 : x
  2. Step 2: Convert to fraction form
    147,819.43/221,996.40 = 136,562.65/x
  3. Step 3: Cross multiply
    147,819.43x = 221,996.40 × 136,562.65
  4. Step 4: Simplify right side
    147,819.43x = 30,316,416,674.46
  5. Step 5: Solve for x
    x = 30,316,416,674.46/147,819.43
  6. Step 6: Final answer
    x = 205,090.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.