Home / 117,537.22-162,161.30-75,120.22

Finding the Fourth Proportional to 117,537.22, 162,161.30 and 75,120.22

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Solution

The fourth proportional to 117,537.22, 162,161.30 and 75,120.22 is: 103,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.22 : 162,161.30 = 75,120.22 : x
  2. Step 2: Convert to fraction form
    117,537.22/162,161.30 = 75,120.22/x
  3. Step 3: Cross multiply
    117,537.22x = 162,161.30 × 75,120.22
  4. Step 4: Simplify right side
    117,537.22x = 12,181,592,531.49
  5. Step 5: Solve for x
    x = 12,181,592,531.49/117,537.22
  6. Step 6: Final answer
    x = 103,640.30

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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.