Home / 165,799.40-248,748.24-77,105.60

Finding the Fourth Proportional to 165,799.40, 248,748.24 and 77,105.60

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Solution

The fourth proportional to 165,799.40, 248,748.24 and 77,105.60 is: 115,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,799.40 : 248,748.24 = 77,105.60 : x
  2. Step 2: Convert to fraction form
    165,799.40/248,748.24 = 77,105.60/x
  3. Step 3: Cross multiply
    165,799.40x = 248,748.24 × 77,105.60
  4. Step 4: Simplify right side
    165,799.40x = 19,179,882,294.14
  5. Step 5: Solve for x
    x = 19,179,882,294.14/165,799.40
  6. Step 6: Final answer
    x = 115,681.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.