Home / 165,035.20-247,552.80-40,376.20

Finding the Fourth Proportional to 165,035.20, 247,552.80 and 40,376.20

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Solution

The fourth proportional to 165,035.20, 247,552.80 and 40,376.20 is: 60,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,035.20 : 247,552.80 = 40,376.20 : x
  2. Step 2: Convert to fraction form
    165,035.20/247,552.80 = 40,376.20/x
  3. Step 3: Cross multiply
    165,035.20x = 247,552.80 × 40,376.20
  4. Step 4: Simplify right side
    165,035.20x = 9,995,241,363.36
  5. Step 5: Solve for x
    x = 9,995,241,363.36/165,035.20
  6. Step 6: Final answer
    x = 60,564.30

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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.