Home / 208,825.39-288,179.27-113,332.15

Finding the Fourth Proportional to 208,825.39, 288,179.27 and 113,332.15

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Solution

The fourth proportional to 208,825.39, 288,179.27 and 113,332.15 is: 156,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,825.39 : 288,179.27 = 113,332.15 : x
  2. Step 2: Convert to fraction form
    208,825.39/288,179.27 = 113,332.15/x
  3. Step 3: Cross multiply
    208,825.39x = 288,179.27 × 113,332.15
  4. Step 4: Simplify right side
    208,825.39x = 32,659,976,254.53
  5. Step 5: Solve for x
    x = 32,659,976,254.53/208,825.39
  6. Step 6: Final answer
    x = 156,398.49

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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.