Home / 76,147.30-114,228.54-26,220.76

Finding the Fourth Proportional to 76,147.30, 114,228.54 and 26,220.76

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Solution

The fourth proportional to 76,147.30, 114,228.54 and 26,220.76 is: 39,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,147.30 : 114,228.54 = 26,220.76 : x
  2. Step 2: Convert to fraction form
    76,147.30/114,228.54 = 26,220.76/x
  3. Step 3: Cross multiply
    76,147.30x = 114,228.54 × 26,220.76
  4. Step 4: Simplify right side
    76,147.30x = 2,995,159,132.49
  5. Step 5: Solve for x
    x = 2,995,159,132.49/76,147.30
  6. Step 6: Final answer
    x = 39,333.75

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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.