Home / 98,044.20-147,140.46-71,817.12

Finding the Fourth Proportional to 98,044.20, 147,140.46 and 71,817.12

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Solution

The fourth proportional to 98,044.20, 147,140.46 and 71,817.12 is: 107,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,044.20 : 147,140.46 = 71,817.12 : x
  2. Step 2: Convert to fraction form
    98,044.20/147,140.46 = 71,817.12/x
  3. Step 3: Cross multiply
    98,044.20x = 147,140.46 × 71,817.12
  4. Step 4: Simplify right side
    98,044.20x = 10,567,204,072.68
  5. Step 5: Solve for x
    x = 10,567,204,072.68/98,044.20
  6. Step 6: Final answer
    x = 107,780.00

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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.