Home / 161,493.08-222,857.46-89,872.47

Finding the Fourth Proportional to 161,493.08, 222,857.46 and 89,872.47

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Solution

The fourth proportional to 161,493.08, 222,857.46 and 89,872.47 is: 124,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,493.08 : 222,857.46 = 89,872.47 : x
  2. Step 2: Convert to fraction form
    161,493.08/222,857.46 = 89,872.47/x
  3. Step 3: Cross multiply
    161,493.08x = 222,857.46 × 89,872.47
  4. Step 4: Simplify right side
    161,493.08x = 20,028,750,388.13
  5. Step 5: Solve for x
    x = 20,028,750,388.13/161,493.08
  6. Step 6: Final answer
    x = 124,022.35

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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.