Home / 165,091.80-247,637.70-40,432.80

Finding the Fourth Proportional to 165,091.80, 247,637.70 and 40,432.80

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Solution

The fourth proportional to 165,091.80, 247,637.70 and 40,432.80 is: 60,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,091.80 : 247,637.70 = 40,432.80 : x
  2. Step 2: Convert to fraction form
    165,091.80/247,637.70 = 40,432.80/x
  3. Step 3: Cross multiply
    165,091.80x = 247,637.70 × 40,432.80
  4. Step 4: Simplify right side
    165,091.80x = 10,012,685,596.56
  5. Step 5: Solve for x
    x = 10,012,685,596.56/165,091.80
  6. Step 6: Final answer
    x = 60,649.20

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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.