Home / 100,932.46-151,422.63-30,807.34

Finding the Fourth Proportional to 100,932.46, 151,422.63 and 30,807.34

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Solution

The fourth proportional to 100,932.46, 151,422.63 and 30,807.34 is: 46,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,932.46 : 151,422.63 = 30,807.34 : x
  2. Step 2: Convert to fraction form
    100,932.46/151,422.63 = 30,807.34/x
  3. Step 3: Cross multiply
    100,932.46x = 151,422.63 × 30,807.34
  4. Step 4: Simplify right side
    100,932.46x = 4,664,928,446.10
  5. Step 5: Solve for x
    x = 4,664,928,446.10/100,932.46
  6. Step 6: Final answer
    x = 46,218.32

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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.