Home / 99,281.56-148,996.17-40,117.74

Finding the Fourth Proportional to 99,281.56, 148,996.17 and 40,117.74

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Solution

The fourth proportional to 99,281.56, 148,996.17 and 40,117.74 is: 60,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,281.56 : 148,996.17 = 40,117.74 : x
  2. Step 2: Convert to fraction form
    99,281.56/148,996.17 = 40,117.74/x
  3. Step 3: Cross multiply
    99,281.56x = 148,996.17 × 40,117.74
  4. Step 4: Simplify right side
    99,281.56x = 5,977,389,609.06
  5. Step 5: Solve for x
    x = 5,977,389,609.06/99,281.56
  6. Step 6: Final answer
    x = 60,206.44

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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.