Home / 74,995.22-111,831.36-74,320.13

Finding the Fourth Proportional to 74,995.22, 111,831.36 and 74,320.13

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Solution

The fourth proportional to 74,995.22, 111,831.36 and 74,320.13 is: 110,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,995.22 : 111,831.36 = 74,320.13 : x
  2. Step 2: Convert to fraction form
    74,995.22/111,831.36 = 74,320.13/x
  3. Step 3: Cross multiply
    74,995.22x = 111,831.36 × 74,320.13
  4. Step 4: Simplify right side
    74,995.22x = 8,311,321,213.28
  5. Step 5: Solve for x
    x = 8,311,321,213.28/74,995.22
  6. Step 6: Final answer
    x = 110,824.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.