Home / 161,655.36-223,091.32-90,035.40

Finding the Fourth Proportional to 161,655.36, 223,091.32 and 90,035.40

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Solution

The fourth proportional to 161,655.36, 223,091.32 and 90,035.40 is: 124,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,655.36 : 223,091.32 = 90,035.40 : x
  2. Step 2: Convert to fraction form
    161,655.36/223,091.32 = 90,035.40/x
  3. Step 3: Cross multiply
    161,655.36x = 223,091.32 × 90,035.40
  4. Step 4: Simplify right side
    161,655.36x = 20,086,116,232.73
  5. Step 5: Solve for x
    x = 20,086,116,232.73/161,655.36
  6. Step 6: Final answer
    x = 124,252.71

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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.