Home / 161,772.41-223,246.14-90,150.86

Finding the Fourth Proportional to 161,772.41, 223,246.14 and 90,150.86

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Solution

The fourth proportional to 161,772.41, 223,246.14 and 90,150.86 is: 124,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,772.41 : 223,246.14 = 90,150.86 : x
  2. Step 2: Convert to fraction form
    161,772.41/223,246.14 = 90,150.86/x
  3. Step 3: Cross multiply
    161,772.41x = 223,246.14 × 90,150.86
  4. Step 4: Simplify right side
    161,772.41x = 20,125,831,512.68
  5. Step 5: Solve for x
    x = 20,125,831,512.68/161,772.41
  6. Step 6: Final answer
    x = 124,408.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.