Home / 100,889.28-151,335.12-34,330.76

Finding the Fourth Proportional to 100,889.28, 151,335.12 and 34,330.76

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Solution

The fourth proportional to 100,889.28, 151,335.12 and 34,330.76 is: 51,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,889.28 : 151,335.12 = 34,330.76 : x
  2. Step 2: Convert to fraction form
    100,889.28/151,335.12 = 34,330.76/x
  3. Step 3: Cross multiply
    100,889.28x = 151,335.12 × 34,330.76
  4. Step 4: Simplify right side
    100,889.28x = 5,195,449,684.29
  5. Step 5: Solve for x
    x = 5,195,449,684.29/100,889.28
  6. Step 6: Final answer
    x = 51,496.55

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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.