Home / 161,129.28-222,373.44-97,482.72

Finding the Fourth Proportional to 161,129.28, 222,373.44 and 97,482.72

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Solution

The fourth proportional to 161,129.28, 222,373.44 and 97,482.72 is: 134,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,129.28 : 222,373.44 = 97,482.72 : x
  2. Step 2: Convert to fraction form
    161,129.28/222,373.44 = 97,482.72/x
  3. Step 3: Cross multiply
    161,129.28x = 222,373.44 × 97,482.72
  4. Step 4: Simplify right side
    161,129.28x = 21,677,567,786.96
  5. Step 5: Solve for x
    x = 21,677,567,786.96/161,129.28
  6. Step 6: Final answer
    x = 134,535.25

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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.