Home / 85,218.10-127,862.25-35,308.24

Finding the Fourth Proportional to 85,218.10, 127,862.25 and 35,308.24

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Solution

The fourth proportional to 85,218.10, 127,862.25 and 35,308.24 is: 52,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,218.10 : 127,862.25 = 35,308.24 : x
  2. Step 2: Convert to fraction form
    85,218.10/127,862.25 = 35,308.24/x
  3. Step 3: Cross multiply
    85,218.10x = 127,862.25 × 35,308.24
  4. Step 4: Simplify right side
    85,218.10x = 4,514,591,009.94
  5. Step 5: Solve for x
    x = 4,514,591,009.94/85,218.10
  6. Step 6: Final answer
    x = 52,976.90

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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.