Home / 76,089.12-114,189.68-36,108.24

Finding the Fourth Proportional to 76,089.12, 114,189.68 and 36,108.24

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Solution

The fourth proportional to 76,089.12, 114,189.68 and 36,108.24 is: 54,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,089.12 : 114,189.68 = 36,108.24 : x
  2. Step 2: Convert to fraction form
    76,089.12/114,189.68 = 36,108.24/x
  3. Step 3: Cross multiply
    76,089.12x = 114,189.68 × 36,108.24
  4. Step 4: Simplify right side
    76,089.12x = 4,123,188,370.96
  5. Step 5: Solve for x
    x = 4,123,188,370.96/76,089.12
  6. Step 6: Final answer
    x = 54,188.93

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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.