Home / 215,766.06-323,424.48-120,857.08

Finding the Fourth Proportional to 215,766.06, 323,424.48 and 120,857.08

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Solution

The fourth proportional to 215,766.06, 323,424.48 and 120,857.08 is: 181,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,766.06 : 323,424.48 = 120,857.08 : x
  2. Step 2: Convert to fraction form
    215,766.06/323,424.48 = 120,857.08/x
  3. Step 3: Cross multiply
    215,766.06x = 323,424.48 × 120,857.08
  4. Step 4: Simplify right side
    215,766.06x = 39,088,138,253.32
  5. Step 5: Solve for x
    x = 39,088,138,253.32/215,766.06
  6. Step 6: Final answer
    x = 181,159.81

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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.