Home / 208,773.84-288,100.02-113,278.56

Finding the Fourth Proportional to 208,773.84, 288,100.02 and 113,278.56

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Solution

The fourth proportional to 208,773.84, 288,100.02 and 113,278.56 is: 156,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,773.84 : 288,100.02 = 113,278.56 : x
  2. Step 2: Convert to fraction form
    208,773.84/288,100.02 = 113,278.56/x
  3. Step 3: Cross multiply
    208,773.84x = 288,100.02 × 113,278.56
  4. Step 4: Simplify right side
    208,773.84x = 32,635,555,401.57
  5. Step 5: Solve for x
    x = 32,635,555,401.57/208,773.84
  6. Step 6: Final answer
    x = 156,320.14

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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.