Home / 100,422.32-150,646.04-30,301.52

Finding the Fourth Proportional to 100,422.32, 150,646.04 and 30,301.52

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Solution

The fourth proportional to 100,422.32, 150,646.04 and 30,301.52 is: 45,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,422.32 : 150,646.04 = 30,301.52 : x
  2. Step 2: Convert to fraction form
    100,422.32/150,646.04 = 30,301.52/x
  3. Step 3: Cross multiply
    100,422.32x = 150,646.04 × 30,301.52
  4. Step 4: Simplify right side
    100,422.32x = 4,564,803,993.98
  5. Step 5: Solve for x
    x = 4,564,803,993.98/100,422.32
  6. Step 6: Final answer
    x = 45,456.07

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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.