Home / 99,971.52-150,190.56-58,447.68

Finding the Fourth Proportional to 99,971.52, 150,190.56 and 58,447.68

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Solution

The fourth proportional to 99,971.52, 150,190.56 and 58,447.68 is: 87,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,971.52 : 150,190.56 = 58,447.68 : x
  2. Step 2: Convert to fraction form
    99,971.52/150,190.56 = 58,447.68/x
  3. Step 3: Cross multiply
    99,971.52x = 150,190.56 × 58,447.68
  4. Step 4: Simplify right side
    99,971.52x = 8,778,289,789.90
  5. Step 5: Solve for x
    x = 8,778,289,789.90/99,971.52
  6. Step 6: Final answer
    x = 87,807.91

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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.