Home / 169,831.72-234,607.62-136,064.44

Finding the Fourth Proportional to 169,831.72, 234,607.62 and 136,064.44

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Solution

The fourth proportional to 169,831.72, 234,607.62 and 136,064.44 is: 187,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,831.72 : 234,607.62 = 136,064.44 : x
  2. Step 2: Convert to fraction form
    169,831.72/234,607.62 = 136,064.44/x
  3. Step 3: Cross multiply
    169,831.72x = 234,607.62 × 136,064.44
  4. Step 4: Simplify right side
    169,831.72x = 31,921,754,435.03
  5. Step 5: Solve for x
    x = 31,921,754,435.03/169,831.72
  6. Step 6: Final answer
    x = 187,961.09

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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.