Home / 117,496.20-162,144.96-63,781.25

Finding the Fourth Proportional to 117,496.20, 162,144.96 and 63,781.25

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Solution

The fourth proportional to 117,496.20, 162,144.96 and 63,781.25 is: 88,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,496.20 : 162,144.96 = 63,781.25 : x
  2. Step 2: Convert to fraction form
    117,496.20/162,144.96 = 63,781.25/x
  3. Step 3: Cross multiply
    117,496.20x = 162,144.96 × 63,781.25
  4. Step 4: Simplify right side
    117,496.20x = 10,341,808,635.36
  5. Step 5: Solve for x
    x = 10,341,808,635.36/117,496.20
  6. Step 6: Final answer
    x = 88,018.24

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1.5x scale

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.