Home / 100,278.20-150,397.86-37,953.56

Finding the Fourth Proportional to 100,278.20, 150,397.86 and 37,953.56

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Solution

The fourth proportional to 100,278.20, 150,397.86 and 37,953.56 is: 56,922.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,278.20 : 150,397.86 = 37,953.56 : x
  2. Step 2: Convert to fraction form
    100,278.20/150,397.86 = 37,953.56/x
  3. Step 3: Cross multiply
    100,278.20x = 150,397.86 × 37,953.56
  4. Step 4: Simplify right side
    100,278.20x = 5,708,134,721.70
  5. Step 5: Solve for x
    x = 5,708,134,721.70/100,278.20
  6. Step 6: Final answer
    x = 56,922.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.