Home / 208,966.42-288,447.24-124,082.88

Finding the Fourth Proportional to 208,966.42, 288,447.24 and 124,082.88

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Solution

The fourth proportional to 208,966.42, 288,447.24 and 124,082.88 is: 171,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,966.42 : 288,447.24 = 124,082.88 : x
  2. Step 2: Convert to fraction form
    208,966.42/288,447.24 = 124,082.88/x
  3. Step 3: Cross multiply
    208,966.42x = 288,447.24 × 124,082.88
  4. Step 4: Simplify right side
    208,966.42x = 35,791,364,267.25
  5. Step 5: Solve for x
    x = 35,791,364,267.25/208,966.42
  6. Step 6: Final answer
    x = 171,278.07

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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.