Home / 120,837.67-166,718.37-69,831.82

Finding the Fourth Proportional to 120,837.67, 166,718.37 and 69,831.82

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Solution

The fourth proportional to 120,837.67, 166,718.37 and 69,831.82 is: 96,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,837.67 : 166,718.37 = 69,831.82 : x
  2. Step 2: Convert to fraction form
    120,837.67/166,718.37 = 69,831.82/x
  3. Step 3: Cross multiply
    120,837.67x = 166,718.37 × 69,831.82
  4. Step 4: Simplify right side
    120,837.67x = 11,642,247,204.53
  5. Step 5: Solve for x
    x = 11,642,247,204.53/120,837.67
  6. Step 6: Final answer
    x = 96,346.17

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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.