Home / 147,388.24-203,338.03-90,701.20

Finding the Fourth Proportional to 147,388.24, 203,338.03 and 90,701.20

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Solution

The fourth proportional to 147,388.24, 203,338.03 and 90,701.20 is: 125,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,388.24 : 203,338.03 = 90,701.20 : x
  2. Step 2: Convert to fraction form
    147,388.24/203,338.03 = 90,701.20/x
  3. Step 3: Cross multiply
    147,388.24x = 203,338.03 × 90,701.20
  4. Step 4: Simplify right side
    147,388.24x = 18,443,001,856.44
  5. Step 5: Solve for x
    x = 18,443,001,856.44/147,388.24
  6. Step 6: Final answer
    x = 125,132.12

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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.