Home / 161,993.12-223,551.29-90,377.17

Finding the Fourth Proportional to 161,993.12, 223,551.29 and 90,377.17

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Solution

The fourth proportional to 161,993.12, 223,551.29 and 90,377.17 is: 124,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,993.12 : 223,551.29 = 90,377.17 : x
  2. Step 2: Convert to fraction form
    161,993.12/223,551.29 = 90,377.17/x
  3. Step 3: Cross multiply
    161,993.12x = 223,551.29 × 90,377.17
  4. Step 4: Simplify right side
    161,993.12x = 20,203,932,607.11
  5. Step 5: Solve for x
    x = 20,203,932,607.11/161,993.12
  6. Step 6: Final answer
    x = 124,720.93

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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.