Home / 76,161.78-114,308.28-36,752.04

Finding the Fourth Proportional to 76,161.78, 114,308.28 and 36,752.04

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Solution

The fourth proportional to 76,161.78, 114,308.28 and 36,752.04 is: 55,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,161.78 : 114,308.28 = 36,752.04 : x
  2. Step 2: Convert to fraction form
    76,161.78/114,308.28 = 36,752.04/x
  3. Step 3: Cross multiply
    76,161.78x = 114,308.28 × 36,752.04
  4. Step 4: Simplify right side
    76,161.78x = 4,201,062,478.89
  5. Step 5: Solve for x
    x = 4,201,062,478.89/76,161.78
  6. Step 6: Final answer
    x = 55,159.72

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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.