Home / 161,302.75-222,597.80-90,646.75

Finding the Fourth Proportional to 161,302.75, 222,597.80 and 90,646.75

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Solution

The fourth proportional to 161,302.75, 222,597.80 and 90,646.75 is: 125,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,302.75 : 222,597.80 = 90,646.75 : x
  2. Step 2: Convert to fraction form
    161,302.75/222,597.80 = 90,646.75/x
  3. Step 3: Cross multiply
    161,302.75x = 222,597.80 × 90,646.75
  4. Step 4: Simplify right side
    161,302.75x = 20,177,766,673.92
  5. Step 5: Solve for x
    x = 20,177,766,673.92/161,302.75
  6. Step 6: Final answer
    x = 125,092.52

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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.