Home / 150,335.32-225,339.96-75,274.51

Finding the Fourth Proportional to 150,335.32, 225,339.96 and 75,274.51

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Solution

The fourth proportional to 150,335.32, 225,339.96 and 75,274.51 is: 112,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,335.32 : 225,339.96 = 75,274.51 : x
  2. Step 2: Convert to fraction form
    150,335.32/225,339.96 = 75,274.51/x
  3. Step 3: Cross multiply
    150,335.32x = 225,339.96 × 75,274.51
  4. Step 4: Simplify right side
    150,335.32x = 16,962,355,072.42
  5. Step 5: Solve for x
    x = 16,962,355,072.42/150,335.32
  6. Step 6: Final answer
    x = 112,830.14

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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.