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Finding the Fourth Proportional to 151,278.76, 208,750.26 and 83,294.92

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Solution

The fourth proportional to 151,278.76, 208,750.26 and 83,294.92 is: 114,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,278.76 : 208,750.26 = 83,294.92 : x
  2. Step 2: Convert to fraction form
    151,278.76/208,750.26 = 83,294.92/x
  3. Step 3: Cross multiply
    151,278.76x = 208,750.26 × 83,294.92
  4. Step 4: Simplify right side
    151,278.76x = 17,387,836,206.68
  5. Step 5: Solve for x
    x = 17,387,836,206.68/151,278.76
  6. Step 6: Final answer
    x = 114,939.05

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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.