Home / 161,020.32-222,207.04-88,424.16

Finding the Fourth Proportional to 161,020.32, 222,207.04 and 88,424.16

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Solution

The fourth proportional to 161,020.32, 222,207.04 and 88,424.16 is: 122,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,020.32 : 222,207.04 = 88,424.16 : x
  2. Step 2: Convert to fraction form
    161,020.32/222,207.04 = 88,424.16/x
  3. Step 3: Cross multiply
    161,020.32x = 222,207.04 × 88,424.16
  4. Step 4: Simplify right side
    161,020.32x = 19,648,470,858.09
  5. Step 5: Solve for x
    x = 19,648,470,858.09/161,020.32
  6. Step 6: Final answer
    x = 122,024.79

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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.