Home / 165,782.45-248,747.18-86,877.92

Finding the Fourth Proportional to 165,782.45, 248,747.18 and 86,877.92

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Solution

The fourth proportional to 165,782.45, 248,747.18 and 86,877.92 is: 130,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,782.45 : 248,747.18 = 86,877.92 : x
  2. Step 2: Convert to fraction form
    165,782.45/248,747.18 = 86,877.92/x
  3. Step 3: Cross multiply
    165,782.45x = 248,747.18 × 86,877.92
  4. Step 4: Simplify right side
    165,782.45x = 21,610,635,926.14
  5. Step 5: Solve for x
    x = 21,610,635,926.14/165,782.45
  6. Step 6: Final answer
    x = 130,355.39

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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.