Home / 165,083.40-247,621.98-40,425.48

Finding the Fourth Proportional to 165,083.40, 247,621.98 and 40,425.48

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Solution

The fourth proportional to 165,083.40, 247,621.98 and 40,425.48 is: 60,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,083.40 : 247,621.98 = 40,425.48 : x
  2. Step 2: Convert to fraction form
    165,083.40/247,621.98 = 40,425.48/x
  3. Step 3: Cross multiply
    165,083.40x = 247,621.98 × 40,425.48
  4. Step 4: Simplify right side
    165,083.40x = 10,010,237,400.05
  5. Step 5: Solve for x
    x = 10,010,237,400.05/165,083.40
  6. Step 6: Final answer
    x = 60,637.46

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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.