Home / 98,251.28-147,406.20-31,701.84

Finding the Fourth Proportional to 98,251.28, 147,406.20 and 31,701.84

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Solution

The fourth proportional to 98,251.28, 147,406.20 and 31,701.84 is: 47,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,251.28 : 147,406.20 = 31,701.84 : x
  2. Step 2: Convert to fraction form
    98,251.28/147,406.20 = 31,701.84/x
  3. Step 3: Cross multiply
    98,251.28x = 147,406.20 × 31,701.84
  4. Step 4: Simplify right side
    98,251.28x = 4,673,047,767.41
  5. Step 5: Solve for x
    x = 4,673,047,767.41/98,251.28
  6. Step 6: Final answer
    x = 47,562.21

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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.