Home / 215,844.66-323,689.23-91,195.38

Finding the Fourth Proportional to 215,844.66, 323,689.23 and 91,195.38

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Solution

The fourth proportional to 215,844.66, 323,689.23 and 91,195.38 is: 136,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,844.66 : 323,689.23 = 91,195.38 : x
  2. Step 2: Convert to fraction form
    215,844.66/323,689.23 = 91,195.38/x
  3. Step 3: Cross multiply
    215,844.66x = 323,689.23 × 91,195.38
  4. Step 4: Simplify right side
    215,844.66x = 29,518,962,331.76
  5. Step 5: Solve for x
    x = 29,518,962,331.76/215,844.66
  6. Step 6: Final answer
    x = 136,760.22

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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.