Home / 102,671.28-154,094.40-60,489.59

Finding the Fourth Proportional to 102,671.28, 154,094.40 and 60,489.59

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Solution

The fourth proportional to 102,671.28, 154,094.40 and 60,489.59 is: 90,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,671.28 : 154,094.40 = 60,489.59 : x
  2. Step 2: Convert to fraction form
    102,671.28/154,094.40 = 60,489.59/x
  3. Step 3: Cross multiply
    102,671.28x = 154,094.40 × 60,489.59
  4. Step 4: Simplify right side
    102,671.28x = 9,321,106,306.82
  5. Step 5: Solve for x
    x = 9,321,106,306.82/102,671.28
  6. Step 6: Final answer
    x = 90,785.92

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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.