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Finding the Fourth Proportional to 161,548.65, 242,324.42 and 56,367.45

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Solution

The fourth proportional to 161,548.65, 242,324.42 and 56,367.45 is: 84,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,548.65 : 242,324.42 = 56,367.45 : x
  2. Step 2: Convert to fraction form
    161,548.65/242,324.42 = 56,367.45/x
  3. Step 3: Cross multiply
    161,548.65x = 242,324.42 × 56,367.45
  4. Step 4: Simplify right side
    161,548.65x = 13,659,209,346.29
  5. Step 5: Solve for x
    x = 13,659,209,346.29/161,548.65
  6. Step 6: Final answer
    x = 84,551.68

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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.