Home / 85,243.52-127,865.28-22,914.08

Finding the Fourth Proportional to 85,243.52, 127,865.28 and 22,914.08

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Solution

The fourth proportional to 85,243.52, 127,865.28 and 22,914.08 is: 34,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,243.52 : 127,865.28 = 22,914.08 : x
  2. Step 2: Convert to fraction form
    85,243.52/127,865.28 = 22,914.08/x
  3. Step 3: Cross multiply
    85,243.52x = 127,865.28 × 22,914.08
  4. Step 4: Simplify right side
    85,243.52x = 2,929,915,255.14
  5. Step 5: Solve for x
    x = 2,929,915,255.14/85,243.52
  6. Step 6: Final answer
    x = 34,371.12

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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.