Home / 161,323.74-222,616.98-89,701.20

Finding the Fourth Proportional to 161,323.74, 222,616.98 and 89,701.20

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Solution

The fourth proportional to 161,323.74, 222,616.98 and 89,701.20 is: 123,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,323.74 : 222,616.98 = 89,701.20 : x
  2. Step 2: Convert to fraction form
    161,323.74/222,616.98 = 89,701.20/x
  3. Step 3: Cross multiply
    161,323.74x = 222,616.98 × 89,701.20
  4. Step 4: Simplify right side
    161,323.74x = 19,969,010,246.38
  5. Step 5: Solve for x
    x = 19,969,010,246.38/161,323.74
  6. Step 6: Final answer
    x = 123,782.22

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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.