Home / 112,259.80-154,920.78-61,958.68

Finding the Fourth Proportional to 112,259.80, 154,920.78 and 61,958.68

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Solution

The fourth proportional to 112,259.80, 154,920.78 and 61,958.68 is: 85,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,259.80 : 154,920.78 = 61,958.68 : x
  2. Step 2: Convert to fraction form
    112,259.80/154,920.78 = 61,958.68/x
  3. Step 3: Cross multiply
    112,259.80x = 154,920.78 × 61,958.68
  4. Step 4: Simplify right side
    112,259.80x = 9,598,687,033.37
  5. Step 5: Solve for x
    x = 9,598,687,033.37/112,259.80
  6. Step 6: Final answer
    x = 85,504.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.