Home / 114,724.36-158,321.46-64,422.28

Finding the Fourth Proportional to 114,724.36, 158,321.46 and 64,422.28

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Solution

The fourth proportional to 114,724.36, 158,321.46 and 64,422.28 is: 88,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,724.36 : 158,321.46 = 64,422.28 : x
  2. Step 2: Convert to fraction form
    114,724.36/158,321.46 = 64,422.28/x
  3. Step 3: Cross multiply
    114,724.36x = 158,321.46 × 64,422.28
  4. Step 4: Simplify right side
    114,724.36x = 10,199,429,426.13
  5. Step 5: Solve for x
    x = 10,199,429,426.13/114,724.36
  6. Step 6: Final answer
    x = 88,903.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.