Home / 107,161.15-160,748.41-28,275.46

Finding the Fourth Proportional to 107,161.15, 160,748.41 and 28,275.46

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Solution

The fourth proportional to 107,161.15, 160,748.41 and 28,275.46 is: 42,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,161.15 : 160,748.41 = 28,275.46 : x
  2. Step 2: Convert to fraction form
    107,161.15/160,748.41 = 28,275.46/x
  3. Step 3: Cross multiply
    107,161.15x = 160,748.41 × 28,275.46
  4. Step 4: Simplify right side
    107,161.15x = 4,545,234,433.28
  5. Step 5: Solve for x
    x = 4,545,234,433.28/107,161.15
  6. Step 6: Final answer
    x = 42,414.95

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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.