Home / 120,239.06-180,216.88-49,117.82

Finding the Fourth Proportional to 120,239.06, 180,216.88 and 49,117.82

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Solution

The fourth proportional to 120,239.06, 180,216.88 and 49,117.82 is: 73,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,239.06 : 180,216.88 = 49,117.82 : x
  2. Step 2: Convert to fraction form
    120,239.06/180,216.88 = 49,117.82/x
  3. Step 3: Cross multiply
    120,239.06x = 180,216.88 × 49,117.82
  4. Step 4: Simplify right side
    120,239.06x = 8,851,860,272.80
  5. Step 5: Solve for x
    x = 8,851,860,272.80/120,239.06
  6. Step 6: Final answer
    x = 73,618.84

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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.