Home / 83,433.04-115,137-45,191.73

Finding the Fourth Proportional to 83,433.04, 115,137 and 45,191.73

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Solution

The fourth proportional to 83,433.04, 115,137 and 45,191.73 is: 62,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,433.04 : 115,137 = 45,191.73 : x
  2. Step 2: Convert to fraction form
    83,433.04/115,137 = 45,191.73/x
  3. Step 3: Cross multiply
    83,433.04x = 115,137 × 45,191.73
  4. Step 4: Simplify right side
    83,433.04x = 5,203,240,217.01
  5. Step 5: Solve for x
    x = 5,203,240,217.01/83,433.04
  6. Step 6: Final answer
    x = 62,364.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.