Home / 115,662.40-173,407.20-63,131.20

Finding the Fourth Proportional to 115,662.40, 173,407.20 and 63,131.20

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Solution

The fourth proportional to 115,662.40, 173,407.20 and 63,131.20 is: 94,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,662.40 : 173,407.20 = 63,131.20 : x
  2. Step 2: Convert to fraction form
    115,662.40/173,407.20 = 63,131.20/x
  3. Step 3: Cross multiply
    115,662.40x = 173,407.20 × 63,131.20
  4. Step 4: Simplify right side
    115,662.40x = 10,947,404,624.64
  5. Step 5: Solve for x
    x = 10,947,404,624.64/115,662.40
  6. Step 6: Final answer
    x = 94,649.64

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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.