Home / 147,506.12-203,500.68-90,819.08

Finding the Fourth Proportional to 147,506.12, 203,500.68 and 90,819.08

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Solution

The fourth proportional to 147,506.12, 203,500.68 and 90,819.08 is: 125,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,506.12 : 203,500.68 = 90,819.08 : x
  2. Step 2: Convert to fraction form
    147,506.12/203,500.68 = 90,819.08/x
  3. Step 3: Cross multiply
    147,506.12x = 203,500.68 × 90,819.08
  4. Step 4: Simplify right side
    147,506.12x = 18,481,744,536.97
  5. Step 5: Solve for x
    x = 18,481,744,536.97/147,506.12
  6. Step 6: Final answer
    x = 125,294.76

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1.5x scale

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.