Home / 161,334.46-222,632.37-89,712.93

Finding the Fourth Proportional to 161,334.46, 222,632.37 and 89,712.93

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Solution

The fourth proportional to 161,334.46, 222,632.37 and 89,712.93 is: 123,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,334.46 : 222,632.37 = 89,712.93 : x
  2. Step 2: Convert to fraction form
    161,334.46/222,632.37 = 89,712.93/x
  3. Step 3: Cross multiply
    161,334.46x = 222,632.37 × 89,712.93
  4. Step 4: Simplify right side
    161,334.46x = 19,973,002,225.54
  5. Step 5: Solve for x
    x = 19,973,002,225.54/161,334.46
  6. Step 6: Final answer
    x = 123,798.74

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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.