Home / 133,345.50-183,859.56-107,772.79

Finding the Fourth Proportional to 133,345.50, 183,859.56 and 107,772.79

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Solution

The fourth proportional to 133,345.50, 183,859.56 and 107,772.79 is: 148,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,345.50 : 183,859.56 = 107,772.79 : x
  2. Step 2: Convert to fraction form
    133,345.50/183,859.56 = 107,772.79/x
  3. Step 3: Cross multiply
    133,345.50x = 183,859.56 × 107,772.79
  4. Step 4: Simplify right side
    133,345.50x = 19,815,057,634.46
  5. Step 5: Solve for x
    x = 19,815,057,634.46/133,345.50
  6. Step 6: Final answer
    x = 148,599.37

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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.