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Finding the Fourth Proportional to 119,398.72, 164,751.96 and 69,088

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Solution

The fourth proportional to 119,398.72, 164,751.96 and 69,088 is: 95,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,398.72 : 164,751.96 = 69,088 : x
  2. Step 2: Convert to fraction form
    119,398.72/164,751.96 = 69,088/x
  3. Step 3: Cross multiply
    119,398.72x = 164,751.96 × 69,088
  4. Step 4: Simplify right side
    119,398.72x = 11,382,383,412.48
  5. Step 5: Solve for x
    x = 11,382,383,412.48/119,398.72
  6. Step 6: Final answer
    x = 95,330.87

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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.