Home / 147,311.10-220,795.20-84,175.47

Finding the Fourth Proportional to 147,311.10, 220,795.20 and 84,175.47

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Solution

The fourth proportional to 147,311.10, 220,795.20 and 84,175.47 is: 126,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,311.10 : 220,795.20 = 84,175.47 : x
  2. Step 2: Convert to fraction form
    147,311.10/220,795.20 = 84,175.47/x
  3. Step 3: Cross multiply
    147,311.10x = 220,795.20 × 84,175.47
  4. Step 4: Simplify right side
    147,311.10x = 18,585,539,733.74
  5. Step 5: Solve for x
    x = 18,585,539,733.74/147,311.10
  6. Step 6: Final answer
    x = 126,165.24

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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.