Home / 113,567.45-155,587.97-109,310.97

Finding the Fourth Proportional to 113,567.45, 155,587.97 and 109,310.97

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Solution

The fourth proportional to 113,567.45, 155,587.97 and 109,310.97 is: 149,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,567.45 : 155,587.97 = 109,310.97 : x
  2. Step 2: Convert to fraction form
    113,567.45/155,587.97 = 109,310.97/x
  3. Step 3: Cross multiply
    113,567.45x = 155,587.97 × 109,310.97
  4. Step 4: Simplify right side
    113,567.45x = 17,007,471,374.48
  5. Step 5: Solve for x
    x = 17,007,471,374.48/113,567.45
  6. Step 6: Final answer
    x = 149,756.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.