Home / 215,113.47-296,919.17-143,493.32

Finding the Fourth Proportional to 215,113.47, 296,919.17 and 143,493.32

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Solution

The fourth proportional to 215,113.47, 296,919.17 and 143,493.32 is: 198,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,113.47 : 296,919.17 = 143,493.32 : x
  2. Step 2: Convert to fraction form
    215,113.47/296,919.17 = 143,493.32/x
  3. Step 3: Cross multiply
    215,113.47x = 296,919.17 × 143,493.32
  4. Step 4: Simplify right side
    215,113.47x = 42,605,918,037.88
  5. Step 5: Solve for x
    x = 42,605,918,037.88/215,113.47
  6. Step 6: Final answer
    x = 198,062.53

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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.