Home / 148,892.32-205,460.76-85,229.20

Finding the Fourth Proportional to 148,892.32, 205,460.76 and 85,229.20

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Solution

The fourth proportional to 148,892.32, 205,460.76 and 85,229.20 is: 117,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,892.32 : 205,460.76 = 85,229.20 : x
  2. Step 2: Convert to fraction form
    148,892.32/205,460.76 = 85,229.20/x
  3. Step 3: Cross multiply
    148,892.32x = 205,460.76 × 85,229.20
  4. Step 4: Simplify right side
    148,892.32x = 17,511,256,206.19
  5. Step 5: Solve for x
    x = 17,511,256,206.19/148,892.32
  6. Step 6: Final answer
    x = 117,610.20

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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.