Home / 125,400.56-173,052.06-68,813.96

Finding the Fourth Proportional to 125,400.56, 173,052.06 and 68,813.96

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Solution

The fourth proportional to 125,400.56, 173,052.06 and 68,813.96 is: 94,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,400.56 : 173,052.06 = 68,813.96 : x
  2. Step 2: Convert to fraction form
    125,400.56/173,052.06 = 68,813.96/x
  3. Step 3: Cross multiply
    125,400.56x = 173,052.06 × 68,813.96
  4. Step 4: Simplify right side
    125,400.56x = 11,908,397,534.76
  5. Step 5: Solve for x
    x = 11,908,397,534.76/125,400.56
  6. Step 6: Final answer
    x = 94,962.87

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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.