Home / 85,251.07-127,955.48-43,160.73

Finding the Fourth Proportional to 85,251.07, 127,955.48 and 43,160.73

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Solution

The fourth proportional to 85,251.07, 127,955.48 and 43,160.73 is: 64,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,251.07 : 127,955.48 = 43,160.73 : x
  2. Step 2: Convert to fraction form
    85,251.07/127,955.48 = 43,160.73/x
  3. Step 3: Cross multiply
    85,251.07x = 127,955.48 × 43,160.73
  4. Step 4: Simplify right side
    85,251.07x = 5,522,651,068.72
  5. Step 5: Solve for x
    x = 5,522,651,068.72/85,251.07
  6. Step 6: Final answer
    x = 64,781.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.