Home / 120,106.09-180,166.56-40,151.25

Finding the Fourth Proportional to 120,106.09, 180,166.56 and 40,151.25

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Solution

The fourth proportional to 120,106.09, 180,166.56 and 40,151.25 is: 60,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,106.09 : 180,166.56 = 40,151.25 : x
  2. Step 2: Convert to fraction form
    120,106.09/180,166.56 = 40,151.25/x
  3. Step 3: Cross multiply
    120,106.09x = 180,166.56 × 40,151.25
  4. Step 4: Simplify right side
    120,106.09x = 7,233,912,592.20
  5. Step 5: Solve for x
    x = 7,233,912,592.20/120,106.09
  6. Step 6: Final answer
    x = 60,229.36

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1.5x scale

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.