Home / 150,339.47-225,438.69-87,177.54

Finding the Fourth Proportional to 150,339.47, 225,438.69 and 87,177.54

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Solution

The fourth proportional to 150,339.47, 225,438.69 and 87,177.54 is: 130,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,339.47 : 225,438.69 = 87,177.54 : x
  2. Step 2: Convert to fraction form
    150,339.47/225,438.69 = 87,177.54/x
  3. Step 3: Cross multiply
    150,339.47x = 225,438.69 × 87,177.54
  4. Step 4: Simplify right side
    150,339.47x = 19,653,190,953.29
  5. Step 5: Solve for x
    x = 19,653,190,953.29/150,339.47
  6. Step 6: Final answer
    x = 130,725.43

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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.