Home / 165,291.36-247,941.72-40,632

Finding the Fourth Proportional to 165,291.36, 247,941.72 and 40,632

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Solution

The fourth proportional to 165,291.36, 247,941.72 and 40,632 is: 60,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,291.36 : 247,941.72 = 40,632 : x
  2. Step 2: Convert to fraction form
    165,291.36/247,941.72 = 40,632/x
  3. Step 3: Cross multiply
    165,291.36x = 247,941.72 × 40,632
  4. Step 4: Simplify right side
    165,291.36x = 10,074,367,967.04
  5. Step 5: Solve for x
    x = 10,074,367,967.04/165,291.36
  6. Step 6: Final answer
    x = 60,949.15

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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.