Home / 161,072.79-222,280.97-89,452.81

Finding the Fourth Proportional to 161,072.79, 222,280.97 and 89,452.81

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Solution

The fourth proportional to 161,072.79, 222,280.97 and 89,452.81 is: 123,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,072.79 : 222,280.97 = 89,452.81 : x
  2. Step 2: Convert to fraction form
    161,072.79/222,280.97 = 89,452.81/x
  3. Step 3: Cross multiply
    161,072.79x = 222,280.97 × 89,452.81
  4. Step 4: Simplify right side
    161,072.79x = 19,883,656,373.06
  5. Step 5: Solve for x
    x = 19,883,656,373.06/161,072.79
  6. Step 6: Final answer
    x = 123,445.16

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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.