Home / 112,269.40-154,927.89-66,924

Finding the Fourth Proportional to 112,269.40, 154,927.89 and 66,924

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Solution

The fourth proportional to 112,269.40, 154,927.89 and 66,924 is: 92,352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.40 : 154,927.89 = 66,924 : x
  2. Step 2: Convert to fraction form
    112,269.40/154,927.89 = 66,924/x
  3. Step 3: Cross multiply
    112,269.40x = 154,927.89 × 66,924
  4. Step 4: Simplify right side
    112,269.40x = 10,368,394,110.36
  5. Step 5: Solve for x
    x = 10,368,394,110.36/112,269.40
  6. Step 6: Final answer
    x = 92,352.81

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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.