Home / 150,749.98-225,829.31-87,437.09

Finding the Fourth Proportional to 150,749.98, 225,829.31 and 87,437.09

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Solution

The fourth proportional to 150,749.98, 225,829.31 and 87,437.09 is: 130,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,749.98 : 225,829.31 = 87,437.09 : x
  2. Step 2: Convert to fraction form
    150,749.98/225,829.31 = 87,437.09/x
  3. Step 3: Cross multiply
    150,749.98x = 225,829.31 × 87,437.09
  4. Step 4: Simplify right side
    150,749.98x = 19,745,857,830.50
  5. Step 5: Solve for x
    x = 19,745,857,830.50/150,749.98
  6. Step 6: Final answer
    x = 130,984.15

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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.