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Finding the Fourth Proportional to 119,252.70, 164,560.76 and 65,536.56

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Solution

The fourth proportional to 119,252.70, 164,560.76 and 65,536.56 is: 90,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,252.70 : 164,560.76 = 65,536.56 : x
  2. Step 2: Convert to fraction form
    119,252.70/164,560.76 = 65,536.56/x
  3. Step 3: Cross multiply
    119,252.70x = 164,560.76 × 65,536.56
  4. Step 4: Simplify right side
    119,252.70x = 10,784,745,793.70
  5. Step 5: Solve for x
    x = 10,784,745,793.70/119,252.70
  6. Step 6: Final answer
    x = 90,436.07

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1.5x scale

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.