Home / 112,236.66-154,918.98-66,338.82

Finding the Fourth Proportional to 112,236.66, 154,918.98 and 66,338.82

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Solution

The fourth proportional to 112,236.66, 154,918.98 and 66,338.82 is: 91,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,236.66 : 154,918.98 = 66,338.82 : x
  2. Step 2: Convert to fraction form
    112,236.66/154,918.98 = 66,338.82/x
  3. Step 3: Cross multiply
    112,236.66x = 154,918.98 × 66,338.82
  4. Step 4: Simplify right side
    112,236.66x = 10,277,142,328.80
  5. Step 5: Solve for x
    x = 10,277,142,328.80/112,236.66
  6. Step 6: Final answer
    x = 91,566.72

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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.