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Finding the Fourth Proportional to 119,337.44, 164,685.80 and 65,623.36

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Solution

The fourth proportional to 119,337.44, 164,685.80 and 65,623.36 is: 90,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,337.44 : 164,685.80 = 65,623.36 : x
  2. Step 2: Convert to fraction form
    119,337.44/164,685.80 = 65,623.36/x
  3. Step 3: Cross multiply
    119,337.44x = 164,685.80 × 65,623.36
  4. Step 4: Simplify right side
    119,337.44x = 10,807,235,540.29
  5. Step 5: Solve for x
    x = 10,807,235,540.29/119,337.44
  6. Step 6: Final answer
    x = 90,560.31

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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.