Home / 161,487.08-222,862.00-89,867.10

Finding the Fourth Proportional to 161,487.08, 222,862.00 and 89,867.10

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Solution

The fourth proportional to 161,487.08, 222,862.00 and 89,867.10 is: 124,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,487.08 : 222,862.00 = 89,867.10 : x
  2. Step 2: Convert to fraction form
    161,487.08/222,862.00 = 89,867.10/x
  3. Step 3: Cross multiply
    161,487.08x = 222,862.00 × 89,867.10
  4. Step 4: Simplify right side
    161,487.08x = 20,027,961,415.53
  5. Step 5: Solve for x
    x = 20,027,961,415.53/161,487.08
  6. Step 6: Final answer
    x = 124,022.07

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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.