Home / 208,879.42-288,253.97-113,386.18

Finding the Fourth Proportional to 208,879.42, 288,253.97 and 113,386.18

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Solution

The fourth proportional to 208,879.42, 288,253.97 and 113,386.18 is: 156,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,879.42 : 288,253.97 = 113,386.18 : x
  2. Step 2: Convert to fraction form
    208,879.42/288,253.97 = 113,386.18/x
  3. Step 3: Cross multiply
    208,879.42x = 288,253.97 × 113,386.18
  4. Step 4: Simplify right side
    208,879.42x = 32,684,015,961.20
  5. Step 5: Solve for x
    x = 32,684,015,961.20/208,879.42
  6. Step 6: Final answer
    x = 156,473.13

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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.