Home / 112,252.40-154,928.38-66,933.30

Finding the Fourth Proportional to 112,252.40, 154,928.38 and 66,933.30

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Solution

The fourth proportional to 112,252.40, 154,928.38 and 66,933.30 is: 92,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,252.40 : 154,928.38 = 66,933.30 : x
  2. Step 2: Convert to fraction form
    112,252.40/154,928.38 = 66,933.30/x
  3. Step 3: Cross multiply
    112,252.40x = 154,928.38 × 66,933.30
  4. Step 4: Simplify right side
    112,252.40x = 10,369,867,737.05
  5. Step 5: Solve for x
    x = 10,369,867,737.05/112,252.40
  6. Step 6: Final answer
    x = 92,379.92

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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.