Home / 154,569.70-231,854.55-75,837.70

Finding the Fourth Proportional to 154,569.70, 231,854.55 and 75,837.70

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Solution

The fourth proportional to 154,569.70, 231,854.55 and 75,837.70 is: 113,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,569.70 : 231,854.55 = 75,837.70 : x
  2. Step 2: Convert to fraction form
    154,569.70/231,854.55 = 75,837.70/x
  3. Step 3: Cross multiply
    154,569.70x = 231,854.55 × 75,837.70
  4. Step 4: Simplify right side
    154,569.70x = 17,583,315,806.54
  5. Step 5: Solve for x
    x = 17,583,315,806.54/154,569.70
  6. Step 6: Final answer
    x = 113,756.55

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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.