Home / 215,842.66-323,686.23-91,193.38

Finding the Fourth Proportional to 215,842.66, 323,686.23 and 91,193.38

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Solution

The fourth proportional to 215,842.66, 323,686.23 and 91,193.38 is: 136,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,842.66 : 323,686.23 = 91,193.38 : x
  2. Step 2: Convert to fraction form
    215,842.66/323,686.23 = 91,193.38/x
  3. Step 3: Cross multiply
    215,842.66x = 323,686.23 × 91,193.38
  4. Step 4: Simplify right side
    215,842.66x = 29,518,041,373.16
  5. Step 5: Solve for x
    x = 29,518,041,373.16/215,842.66
  6. Step 6: Final answer
    x = 136,757.22

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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.