Home / 161,530.44-222,903.27-88,919.18

Finding the Fourth Proportional to 161,530.44, 222,903.27 and 88,919.18

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Solution

The fourth proportional to 161,530.44, 222,903.27 and 88,919.18 is: 122,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,530.44 : 222,903.27 = 88,919.18 : x
  2. Step 2: Convert to fraction form
    161,530.44/222,903.27 = 88,919.18/x
  3. Step 3: Cross multiply
    161,530.44x = 222,903.27 × 88,919.18
  4. Step 4: Simplify right side
    161,530.44x = 19,820,376,544.98
  5. Step 5: Solve for x
    x = 19,820,376,544.98/161,530.44
  6. Step 6: Final answer
    x = 122,703.66

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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.