Home / 137,854.17-205,847.46-109,455.57

Finding the Fourth Proportional to 137,854.17, 205,847.46 and 109,455.57

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Solution

The fourth proportional to 137,854.17, 205,847.46 and 109,455.57 is: 163,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,854.17 : 205,847.46 = 109,455.57 : x
  2. Step 2: Convert to fraction form
    137,854.17/205,847.46 = 109,455.57/x
  3. Step 3: Cross multiply
    137,854.17x = 205,847.46 × 109,455.57
  4. Step 4: Simplify right side
    137,854.17x = 22,531,151,067.35
  5. Step 5: Solve for x
    x = 22,531,151,067.35/137,854.17
  6. Step 6: Final answer
    x = 163,441.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.