Home / 119,252.72-164,549.40-68,942

Finding the Fourth Proportional to 119,252.72, 164,549.40 and 68,942

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Solution

The fourth proportional to 119,252.72, 164,549.40 and 68,942 is: 95,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,252.72 : 164,549.40 = 68,942 : x
  2. Step 2: Convert to fraction form
    119,252.72/164,549.40 = 68,942/x
  3. Step 3: Cross multiply
    119,252.72x = 164,549.40 × 68,942
  4. Step 4: Simplify right side
    119,252.72x = 11,344,364,734.80
  5. Step 5: Solve for x
    x = 11,344,364,734.80/119,252.72
  6. Step 6: Final answer
    x = 95,128.77

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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.