Home / 117,420.26-162,040.42-63,705.66

Finding the Fourth Proportional to 117,420.26, 162,040.42 and 63,705.66

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Solution

The fourth proportional to 117,420.26, 162,040.42 and 63,705.66 is: 87,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,420.26 : 162,040.42 = 63,705.66 : x
  2. Step 2: Convert to fraction form
    117,420.26/162,040.42 = 63,705.66/x
  3. Step 3: Cross multiply
    117,420.26x = 162,040.42 × 63,705.66
  4. Step 4: Simplify right side
    117,420.26x = 10,322,891,902.78
  5. Step 5: Solve for x
    x = 10,322,891,902.78/117,420.26
  6. Step 6: Final answer
    x = 87,914.06

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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.