Home / 133,343.73-183,927.65-85,521.33

Finding the Fourth Proportional to 133,343.73, 183,927.65 and 85,521.33

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Solution

The fourth proportional to 133,343.73, 183,927.65 and 85,521.33 is: 117,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,343.73 : 183,927.65 = 85,521.33 : x
  2. Step 2: Convert to fraction form
    133,343.73/183,927.65 = 85,521.33/x
  3. Step 3: Cross multiply
    133,343.73x = 183,927.65 × 85,521.33
  4. Step 4: Simplify right side
    133,343.73x = 15,729,736,824.17
  5. Step 5: Solve for x
    x = 15,729,736,824.17/133,343.73
  6. Step 6: Final answer
    x = 117,963.83

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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.