Home / 212,552.80-293,355.12-161,481.76

Finding the Fourth Proportional to 212,552.80, 293,355.12 and 161,481.76

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Solution

The fourth proportional to 212,552.80, 293,355.12 and 161,481.76 is: 222,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,552.80 : 293,355.12 = 161,481.76 : x
  2. Step 2: Convert to fraction form
    212,552.80/293,355.12 = 161,481.76/x
  3. Step 3: Cross multiply
    212,552.80x = 293,355.12 × 161,481.76
  4. Step 4: Simplify right side
    212,552.80x = 47,371,501,082.61
  5. Step 5: Solve for x
    x = 47,371,501,082.61/212,552.80
  6. Step 6: Final answer
    x = 222,869.33

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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.