Home / 112,041.25-154,620.17-61,743.49

Finding the Fourth Proportional to 112,041.25, 154,620.17 and 61,743.49

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Solution

The fourth proportional to 112,041.25, 154,620.17 and 61,743.49 is: 85,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,041.25 : 154,620.17 = 61,743.49 : x
  2. Step 2: Convert to fraction form
    112,041.25/154,620.17 = 61,743.49/x
  3. Step 3: Cross multiply
    112,041.25x = 154,620.17 × 61,743.49
  4. Step 4: Simplify right side
    112,041.25x = 9,546,788,920.19
  5. Step 5: Solve for x
    x = 9,546,788,920.19/112,041.25
  6. Step 6: Final answer
    x = 85,207.80

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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.