Home / 161,532.27-222,876.45-135,788.72

Finding the Fourth Proportional to 161,532.27, 222,876.45 and 135,788.72

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Solution

The fourth proportional to 161,532.27, 222,876.45 and 135,788.72 is: 187,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,532.27 : 222,876.45 = 135,788.72 : x
  2. Step 2: Convert to fraction form
    161,532.27/222,876.45 = 135,788.72/x
  3. Step 3: Cross multiply
    161,532.27x = 222,876.45 × 135,788.72
  4. Step 4: Simplify right side
    161,532.27x = 30,264,106,749.26
  5. Step 5: Solve for x
    x = 30,264,106,749.26/161,532.27
  6. Step 6: Final answer
    x = 187,356.41

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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.