Home / 209,082.29-288,532.80-113,588.15

Finding the Fourth Proportional to 209,082.29, 288,532.80 and 113,588.15

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Solution

The fourth proportional to 209,082.29, 288,532.80 and 113,588.15 is: 156,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,082.29 : 288,532.80 = 113,588.15 : x
  2. Step 2: Convert to fraction form
    209,082.29/288,532.80 = 113,588.15/x
  3. Step 3: Cross multiply
    209,082.29x = 288,532.80 × 113,588.15
  4. Step 4: Simplify right side
    209,082.29x = 32,773,905,523.66
  5. Step 5: Solve for x
    x = 32,773,905,523.66/209,082.29
  6. Step 6: Final answer
    x = 156,751.23

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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.