Home / 83,460.63-115,180.68-51,198.88

Finding the Fourth Proportional to 83,460.63, 115,180.68 and 51,198.88

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Solution

The fourth proportional to 83,460.63, 115,180.68 and 51,198.88 is: 70,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,460.63 : 115,180.68 = 51,198.88 : x
  2. Step 2: Convert to fraction form
    83,460.63/115,180.68 = 51,198.88/x
  3. Step 3: Cross multiply
    83,460.63x = 115,180.68 × 51,198.88
  4. Step 4: Simplify right side
    83,460.63x = 5,897,121,813.64
  5. Step 5: Solve for x
    x = 5,897,121,813.64/83,460.63
  6. Step 6: Final answer
    x = 70,657.53

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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.