Home / 215,535.18-297,447.72-120,041.87

Finding the Fourth Proportional to 215,535.18, 297,447.72 and 120,041.87

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Solution

The fourth proportional to 215,535.18, 297,447.72 and 120,041.87 is: 165,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,535.18 : 297,447.72 = 120,041.87 : x
  2. Step 2: Convert to fraction form
    215,535.18/297,447.72 = 120,041.87/x
  3. Step 3: Cross multiply
    215,535.18x = 297,447.72 × 120,041.87
  4. Step 4: Simplify right side
    215,535.18x = 35,706,181,279.66
  5. Step 5: Solve for x
    x = 35,706,181,279.66/215,535.18
  6. Step 6: Final answer
    x = 165,662.89

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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.