Home / 202,613.20-279,605.96-113,189.20

Finding the Fourth Proportional to 202,613.20, 279,605.96 and 113,189.20

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Solution

The fourth proportional to 202,613.20, 279,605.96 and 113,189.20 is: 156,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,613.20 : 279,605.96 = 113,189.20 : x
  2. Step 2: Convert to fraction form
    202,613.20/279,605.96 = 113,189.20/x
  3. Step 3: Cross multiply
    202,613.20x = 279,605.96 × 113,189.20
  4. Step 4: Simplify right side
    202,613.20x = 31,648,374,927.63
  5. Step 5: Solve for x
    x = 31,648,374,927.63/202,613.20
  6. Step 6: Final answer
    x = 156,200.95

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1.5x scale

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.