Home / 77,636.89-116,372.27-40,159.23

Finding the Fourth Proportional to 77,636.89, 116,372.27 and 40,159.23

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Solution

The fourth proportional to 77,636.89, 116,372.27 and 40,159.23 is: 60,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,636.89 : 116,372.27 = 40,159.23 : x
  2. Step 2: Convert to fraction form
    77,636.89/116,372.27 = 40,159.23/x
  3. Step 3: Cross multiply
    77,636.89x = 116,372.27 × 40,159.23
  4. Step 4: Simplify right side
    77,636.89x = 4,673,420,756.55
  5. Step 5: Solve for x
    x = 4,673,420,756.55/77,636.89
  6. Step 6: Final answer
    x = 60,195.88

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1.5x scale

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.