Home / 215,599.68-297,535.14-120,112.20

Finding the Fourth Proportional to 215,599.68, 297,535.14 and 120,112.20

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Solution

The fourth proportional to 215,599.68, 297,535.14 and 120,112.20 is: 165,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,599.68 : 297,535.14 = 120,112.20 : x
  2. Step 2: Convert to fraction form
    215,599.68/297,535.14 = 120,112.20/x
  3. Step 3: Cross multiply
    215,599.68x = 297,535.14 × 120,112.20
  4. Step 4: Simplify right side
    215,599.68x = 35,737,600,242.71
  5. Step 5: Solve for x
    x = 35,737,600,242.71/215,599.68
  6. Step 6: Final answer
    x = 165,759.06

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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.