Home / 89,921.30-134,959.70-34,556.18

Finding the Fourth Proportional to 89,921.30, 134,959.70 and 34,556.18

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Solution

The fourth proportional to 89,921.30, 134,959.70 and 34,556.18 is: 51,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.30 : 134,959.70 = 34,556.18 : x
  2. Step 2: Convert to fraction form
    89,921.30/134,959.70 = 34,556.18/x
  3. Step 3: Cross multiply
    89,921.30x = 134,959.70 × 34,556.18
  4. Step 4: Simplify right side
    89,921.30x = 4,663,691,685.95
  5. Step 5: Solve for x
    x = 4,663,691,685.95/89,921.30
  6. Step 6: Final answer
    x = 51,864.15

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1.5x scale

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.