Home / 215,938.17-297,993.90-120,444.79

Finding the Fourth Proportional to 215,938.17, 297,993.90 and 120,444.79

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Solution

The fourth proportional to 215,938.17, 297,993.90 and 120,444.79 is: 166,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,938.17 : 297,993.90 = 120,444.79 : x
  2. Step 2: Convert to fraction form
    215,938.17/297,993.90 = 120,444.79/x
  3. Step 3: Cross multiply
    215,938.17x = 297,993.90 × 120,444.79
  4. Step 4: Simplify right side
    215,938.17x = 35,891,812,706.78
  5. Step 5: Solve for x
    x = 35,891,812,706.78/215,938.17
  6. Step 6: Final answer
    x = 166,213.38

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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.