Home / 77,154.13-115,740.51-27,223.98

Finding the Fourth Proportional to 77,154.13, 115,740.51 and 27,223.98

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Solution

The fourth proportional to 77,154.13, 115,740.51 and 27,223.98 is: 40,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,154.13 : 115,740.51 = 27,223.98 : x
  2. Step 2: Convert to fraction form
    77,154.13/115,740.51 = 27,223.98/x
  3. Step 3: Cross multiply
    77,154.13x = 115,740.51 × 27,223.98
  4. Step 4: Simplify right side
    77,154.13x = 3,150,917,329.43
  5. Step 5: Solve for x
    x = 3,150,917,329.43/77,154.13
  6. Step 6: Final answer
    x = 40,839.26

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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.