Home / 161,102.03-222,321.06-89,480.21

Finding the Fourth Proportional to 161,102.03, 222,321.06 and 89,480.21

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Solution

The fourth proportional to 161,102.03, 222,321.06 and 89,480.21 is: 123,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,102.03 : 222,321.06 = 89,480.21 : x
  2. Step 2: Convert to fraction form
    161,102.03/222,321.06 = 89,480.21/x
  3. Step 3: Cross multiply
    161,102.03x = 222,321.06 × 89,480.21
  4. Step 4: Simplify right side
    161,102.03x = 19,893,334,024.62
  5. Step 5: Solve for x
    x = 19,893,334,024.62/161,102.03
  6. Step 6: Final answer
    x = 123,482.83

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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.