Home / 112,040.25-154,618.79-61,742.49

Finding the Fourth Proportional to 112,040.25, 154,618.79 and 61,742.49

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Solution

The fourth proportional to 112,040.25, 154,618.79 and 61,742.49 is: 85,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,040.25 : 154,618.79 = 61,742.49 : x
  2. Step 2: Convert to fraction form
    112,040.25/154,618.79 = 61,742.49/x
  3. Step 3: Cross multiply
    112,040.25x = 154,618.79 × 61,742.49
  4. Step 4: Simplify right side
    112,040.25x = 9,546,548,786.67
  5. Step 5: Solve for x
    x = 9,546,548,786.67/112,040.25
  6. Step 6: Final answer
    x = 85,206.42

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1.5x scale

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.