Home / 208,825.28-288,181.04-113,332.80

Finding the Fourth Proportional to 208,825.28, 288,181.04 and 113,332.80

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Solution

The fourth proportional to 208,825.28, 288,181.04 and 113,332.80 is: 156,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,825.28 : 288,181.04 = 113,332.80 : x
  2. Step 2: Convert to fraction form
    208,825.28/288,181.04 = 113,332.80/x
  3. Step 3: Cross multiply
    208,825.28x = 288,181.04 × 113,332.80
  4. Step 4: Simplify right side
    208,825.28x = 32,660,364,170.11
  5. Step 5: Solve for x
    x = 32,660,364,170.11/208,825.28
  6. Step 6: Final answer
    x = 156,400.43

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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.