Home / 161,221.04-222,450.72-89,586.08

Finding the Fourth Proportional to 161,221.04, 222,450.72 and 89,586.08

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Solution

The fourth proportional to 161,221.04, 222,450.72 and 89,586.08 is: 123,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,221.04 : 222,450.72 = 89,586.08 : x
  2. Step 2: Convert to fraction form
    161,221.04/222,450.72 = 89,586.08/x
  3. Step 3: Cross multiply
    161,221.04x = 222,450.72 × 89,586.08
  4. Step 4: Simplify right side
    161,221.04x = 19,928,487,997.98
  5. Step 5: Solve for x
    x = 19,928,487,997.98/161,221.04
  6. Step 6: Final answer
    x = 123,609.72

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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.