Home / 120,274.12-180,255.02-49,113.44

Finding the Fourth Proportional to 120,274.12, 180,255.02 and 49,113.44

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Solution

The fourth proportional to 120,274.12, 180,255.02 and 49,113.44 is: 73,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,274.12 : 180,255.02 = 49,113.44 : x
  2. Step 2: Convert to fraction form
    120,274.12/180,255.02 = 49,113.44/x
  3. Step 3: Cross multiply
    120,274.12x = 180,255.02 × 49,113.44
  4. Step 4: Simplify right side
    120,274.12x = 8,852,944,109.47
  5. Step 5: Solve for x
    x = 8,852,944,109.47/120,274.12
  6. Step 6: Final answer
    x = 73,606.39

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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.