Home / 83,493.16-115,219.68-45,767.20

Finding the Fourth Proportional to 83,493.16, 115,219.68 and 45,767.20

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Solution

The fourth proportional to 83,493.16, 115,219.68 and 45,767.20 is: 63,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,493.16 : 115,219.68 = 45,767.20 : x
  2. Step 2: Convert to fraction form
    83,493.16/115,219.68 = 45,767.20/x
  3. Step 3: Cross multiply
    83,493.16x = 115,219.68 × 45,767.20
  4. Step 4: Simplify right side
    83,493.16x = 5,273,282,138.50
  5. Step 5: Solve for x
    x = 5,273,282,138.50/83,493.16
  6. Step 6: Final answer
    x = 63,158.25

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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.