Home / 165,744.72-247,414.50-153,409.68

Finding the Fourth Proportional to 165,744.72, 247,414.50 and 153,409.68

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Solution

The fourth proportional to 165,744.72, 247,414.50 and 153,409.68 is: 229,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,744.72 : 247,414.50 = 153,409.68 : x
  2. Step 2: Convert to fraction form
    165,744.72/247,414.50 = 153,409.68/x
  3. Step 3: Cross multiply
    165,744.72x = 247,414.50 × 153,409.68
  4. Step 4: Simplify right side
    165,744.72x = 37,955,779,272.36
  5. Step 5: Solve for x
    x = 37,955,779,272.36/165,744.72
  6. Step 6: Final answer
    x = 229,001.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.