Home / 147,728.16-203,897.52-90,380.16

Finding the Fourth Proportional to 147,728.16, 203,897.52 and 90,380.16

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Solution

The fourth proportional to 147,728.16, 203,897.52 and 90,380.16 is: 124,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,728.16 : 203,897.52 = 90,380.16 : x
  2. Step 2: Convert to fraction form
    147,728.16/203,897.52 = 90,380.16/x
  3. Step 3: Cross multiply
    147,728.16x = 203,897.52 × 90,380.16
  4. Step 4: Simplify right side
    147,728.16x = 18,428,290,481.20
  5. Step 5: Solve for x
    x = 18,428,290,481.20/147,728.16
  6. Step 6: Final answer
    x = 124,744.60

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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.