Home / 150,357.15-207,493.05-81,446.76

Finding the Fourth Proportional to 150,357.15, 207,493.05 and 81,446.76

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Solution

The fourth proportional to 150,357.15, 207,493.05 and 81,446.76 is: 112,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,357.15 : 207,493.05 = 81,446.76 : x
  2. Step 2: Convert to fraction form
    150,357.15/207,493.05 = 81,446.76/x
  3. Step 3: Cross multiply
    150,357.15x = 207,493.05 × 81,446.76
  4. Step 4: Simplify right side
    150,357.15x = 16,899,636,645.02
  5. Step 5: Solve for x
    x = 16,899,636,645.02/150,357.15
  6. Step 6: Final answer
    x = 112,396.63

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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.