Home / 120,237.04-180,213.88-49,115.80

Finding the Fourth Proportional to 120,237.04, 180,213.88 and 49,115.80

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Solution

The fourth proportional to 120,237.04, 180,213.88 and 49,115.80 is: 73,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,237.04 : 180,213.88 = 49,115.80 : x
  2. Step 2: Convert to fraction form
    120,237.04/180,213.88 = 49,115.80/x
  3. Step 3: Cross multiply
    120,237.04x = 180,213.88 × 49,115.80
  4. Step 4: Simplify right side
    120,237.04x = 8,851,348,887.30
  5. Step 5: Solve for x
    x = 8,851,348,887.30/120,237.04
  6. Step 6: Final answer
    x = 73,615.82

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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.