Home / 76,153.28-114,242.16-26,221.10

Finding the Fourth Proportional to 76,153.28, 114,242.16 and 26,221.10

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Solution

The fourth proportional to 76,153.28, 114,242.16 and 26,221.10 is: 39,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,153.28 : 114,242.16 = 26,221.10 : x
  2. Step 2: Convert to fraction form
    76,153.28/114,242.16 = 26,221.10/x
  3. Step 3: Cross multiply
    76,153.28x = 114,242.16 × 26,221.10
  4. Step 4: Simplify right side
    76,153.28x = 2,995,555,101.58
  5. Step 5: Solve for x
    x = 2,995,555,101.58/76,153.28
  6. Step 6: Final answer
    x = 39,335.86

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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.