Home / 161,505.28-222,883.72-89,888.32

Finding the Fourth Proportional to 161,505.28, 222,883.72 and 89,888.32

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Solution

The fourth proportional to 161,505.28, 222,883.72 and 89,888.32 is: 124,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,505.28 : 222,883.72 = 89,888.32 : x
  2. Step 2: Convert to fraction form
    161,505.28/222,883.72 = 89,888.32/x
  3. Step 3: Cross multiply
    161,505.28x = 222,883.72 × 89,888.32
  4. Step 4: Simplify right side
    161,505.28x = 20,034,643,146.15
  5. Step 5: Solve for x
    x = 20,034,643,146.15/161,505.28
  6. Step 6: Final answer
    x = 124,049.46

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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.