Home / 215,510.05-297,382.58-120,025.63

Finding the Fourth Proportional to 215,510.05, 297,382.58 and 120,025.63

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Solution

The fourth proportional to 215,510.05, 297,382.58 and 120,025.63 is: 165,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,510.05 : 297,382.58 = 120,025.63 : x
  2. Step 2: Convert to fraction form
    215,510.05/297,382.58 = 120,025.63/x
  3. Step 3: Cross multiply
    215,510.05x = 297,382.58 × 120,025.63
  4. Step 4: Simplify right side
    215,510.05x = 35,693,530,171.94
  5. Step 5: Solve for x
    x = 35,693,530,171.94/215,510.05
  6. Step 6: Final answer
    x = 165,623.51

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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.