Home / 209,002.14-288,425.07-113,510.70

Finding the Fourth Proportional to 209,002.14, 288,425.07 and 113,510.70

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Solution

The fourth proportional to 209,002.14, 288,425.07 and 113,510.70 is: 156,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,002.14 : 288,425.07 = 113,510.70 : x
  2. Step 2: Convert to fraction form
    209,002.14/288,425.07 = 113,510.70/x
  3. Step 3: Cross multiply
    209,002.14x = 288,425.07 × 113,510.70
  4. Step 4: Simplify right side
    209,002.14x = 32,739,331,593.25
  5. Step 5: Solve for x
    x = 32,739,331,593.25/209,002.14
  6. Step 6: Final answer
    x = 156,645.92

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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.