Home / 215,509.74-297,382.15-120,025.32

Finding the Fourth Proportional to 215,509.74, 297,382.15 and 120,025.32

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Solution

The fourth proportional to 215,509.74, 297,382.15 and 120,025.32 is: 165,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,509.74 : 297,382.15 = 120,025.32 : x
  2. Step 2: Convert to fraction form
    215,509.74/297,382.15 = 120,025.32/x
  3. Step 3: Cross multiply
    215,509.74x = 297,382.15 × 120,025.32
  4. Step 4: Simplify right side
    215,509.74x = 35,693,387,716.04
  5. Step 5: Solve for x
    x = 35,693,387,716.04/215,509.74
  6. Step 6: Final answer
    x = 165,623.08

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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.