Home / 76,127.96-114,158.82-36,158.52

Finding the Fourth Proportional to 76,127.96, 114,158.82 and 36,158.52

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Solution

The fourth proportional to 76,127.96, 114,158.82 and 36,158.52 is: 54,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,127.96 : 114,158.82 = 36,158.52 : x
  2. Step 2: Convert to fraction form
    76,127.96/114,158.82 = 36,158.52/x
  3. Step 3: Cross multiply
    76,127.96x = 114,158.82 × 36,158.52
  4. Step 4: Simplify right side
    76,127.96x = 4,127,813,976.15
  5. Step 5: Solve for x
    x = 4,127,813,976.15/76,127.96
  6. Step 6: Final answer
    x = 54,222.05

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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.