Home / 215,139.32-296,888.22-119,643.84

Finding the Fourth Proportional to 215,139.32, 296,888.22 and 119,643.84

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Solution

The fourth proportional to 215,139.32, 296,888.22 and 119,643.84 is: 165,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,139.32 : 296,888.22 = 119,643.84 : x
  2. Step 2: Convert to fraction form
    215,139.32/296,888.22 = 119,643.84/x
  3. Step 3: Cross multiply
    215,139.32x = 296,888.22 × 119,643.84
  4. Step 4: Simplify right side
    215,139.32x = 35,520,846,691.56
  5. Step 5: Solve for x
    x = 35,520,846,691.56/215,139.32
  6. Step 6: Final answer
    x = 165,106.25

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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.