Home / 85,143.06-127,714.62-35,168.23

Finding the Fourth Proportional to 85,143.06, 127,714.62 and 35,168.23

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Solution

The fourth proportional to 85,143.06, 127,714.62 and 35,168.23 is: 52,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,143.06 : 127,714.62 = 35,168.23 : x
  2. Step 2: Convert to fraction form
    85,143.06/127,714.62 = 35,168.23/x
  3. Step 3: Cross multiply
    85,143.06x = 127,714.62 × 35,168.23
  4. Step 4: Simplify right side
    85,143.06x = 4,491,497,130.52
  5. Step 5: Solve for x
    x = 4,491,497,130.52/85,143.06
  6. Step 6: Final answer
    x = 52,752.36

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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.