Home / 215,318.45-297,139.49-119,825.22

Finding the Fourth Proportional to 215,318.45, 297,139.49 and 119,825.22

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Solution

The fourth proportional to 215,318.45, 297,139.49 and 119,825.22 is: 165,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,318.45 : 297,139.49 = 119,825.22 : x
  2. Step 2: Convert to fraction form
    215,318.45/297,139.49 = 119,825.22/x
  3. Step 3: Cross multiply
    215,318.45x = 297,139.49 × 119,825.22
  4. Step 4: Simplify right side
    215,318.45x = 35,604,805,724.43
  5. Step 5: Solve for x
    x = 35,604,805,724.43/215,318.45
  6. Step 6: Final answer
    x = 165,358.82

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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.