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Finding the Fourth Proportional to 147,054.38, 220,614.38 and 53,560.13

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Solution

The fourth proportional to 147,054.38, 220,614.38 and 53,560.13 is: 80,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,054.38 : 220,614.38 = 53,560.13 : x
  2. Step 2: Convert to fraction form
    147,054.38/220,614.38 = 53,560.13/x
  3. Step 3: Cross multiply
    147,054.38x = 220,614.38 × 53,560.13
  4. Step 4: Simplify right side
    147,054.38x = 11,816,133,501.80
  5. Step 5: Solve for x
    x = 11,816,133,501.80/147,054.38
  6. Step 6: Final answer
    x = 80,352.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.