Home / 215,544.24-297,443.34-120,045.78

Finding the Fourth Proportional to 215,544.24, 297,443.34 and 120,045.78

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Solution

The fourth proportional to 215,544.24, 297,443.34 and 120,045.78 is: 165,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,544.24 : 297,443.34 = 120,045.78 : x
  2. Step 2: Convert to fraction form
    215,544.24/297,443.34 = 120,045.78/x
  3. Step 3: Cross multiply
    215,544.24x = 297,443.34 × 120,045.78
  4. Step 4: Simplify right side
    215,544.24x = 35,706,817,756.11
  5. Step 5: Solve for x
    x = 35,706,817,756.11/215,544.24
  6. Step 6: Final answer
    x = 165,658.88

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1.5x scale

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.