Home / 120,102.52-180,173.22-36,977.08

Finding the Fourth Proportional to 120,102.52, 180,173.22 and 36,977.08

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Solution

The fourth proportional to 120,102.52, 180,173.22 and 36,977.08 is: 55,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,102.52 : 180,173.22 = 36,977.08 : x
  2. Step 2: Convert to fraction form
    120,102.52/180,173.22 = 36,977.08/x
  3. Step 3: Cross multiply
    120,102.52x = 180,173.22 × 36,977.08
  4. Step 4: Simplify right side
    120,102.52x = 6,662,279,569.80
  5. Step 5: Solve for x
    x = 6,662,279,569.80/120,102.52
  6. Step 6: Final answer
    x = 55,471.61

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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.