Home / 120,637.77-180,914.67-49,540.20

Finding the Fourth Proportional to 120,637.77, 180,914.67 and 49,540.20

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Solution

The fourth proportional to 120,637.77, 180,914.67 and 49,540.20 is: 74,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,637.77 : 180,914.67 = 49,540.20 : x
  2. Step 2: Convert to fraction form
    120,637.77/180,914.67 = 49,540.20/x
  3. Step 3: Cross multiply
    120,637.77x = 180,914.67 × 49,540.20
  4. Step 4: Simplify right side
    120,637.77x = 8,962,548,934.73
  5. Step 5: Solve for x
    x = 8,962,548,934.73/120,637.77
  6. Step 6: Final answer
    x = 74,293.06

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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.