Home / 147,550.41-203,613.66-87,140.52

Finding the Fourth Proportional to 147,550.41, 203,613.66 and 87,140.52

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Solution

The fourth proportional to 147,550.41, 203,613.66 and 87,140.52 is: 120,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,550.41 : 203,613.66 = 87,140.52 : x
  2. Step 2: Convert to fraction form
    147,550.41/203,613.66 = 87,140.52/x
  3. Step 3: Cross multiply
    147,550.41x = 203,613.66 × 87,140.52
  4. Step 4: Simplify right side
    147,550.41x = 17,743,000,211.50
  5. Step 5: Solve for x
    x = 17,743,000,211.50/147,550.41
  6. Step 6: Final answer
    x = 120,250.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.