Home / 76,195.02-114,217.18-36,143.76

Finding the Fourth Proportional to 76,195.02, 114,217.18 and 36,143.76

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Solution

The fourth proportional to 76,195.02, 114,217.18 and 36,143.76 is: 54,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,195.02 : 114,217.18 = 36,143.76 : x
  2. Step 2: Convert to fraction form
    76,195.02/114,217.18 = 36,143.76/x
  3. Step 3: Cross multiply
    76,195.02x = 114,217.18 × 36,143.76
  4. Step 4: Simplify right side
    76,195.02x = 4,128,238,341.80
  5. Step 5: Solve for x
    x = 4,128,238,341.80/76,195.02
  6. Step 6: Final answer
    x = 54,179.90

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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.