Home / 161,271.64-222,562.79-89,650.13

Finding the Fourth Proportional to 161,271.64, 222,562.79 and 89,650.13

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Solution

The fourth proportional to 161,271.64, 222,562.79 and 89,650.13 is: 123,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,271.64 : 222,562.79 = 89,650.13 : x
  2. Step 2: Convert to fraction form
    161,271.64/222,562.79 = 89,650.13/x
  3. Step 3: Cross multiply
    161,271.64x = 222,562.79 × 89,650.13
  4. Step 4: Simplify right side
    161,271.64x = 19,952,781,831.79
  5. Step 5: Solve for x
    x = 19,952,781,831.79/161,271.64
  6. Step 6: Final answer
    x = 123,721.58

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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.