Home / 120,326.22-180,504.78-56,239.59

Finding the Fourth Proportional to 120,326.22, 180,504.78 and 56,239.59

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Solution

The fourth proportional to 120,326.22, 180,504.78 and 56,239.59 is: 84,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,326.22 : 180,504.78 = 56,239.59 : x
  2. Step 2: Convert to fraction form
    120,326.22/180,504.78 = 56,239.59/x
  3. Step 3: Cross multiply
    120,326.22x = 180,504.78 × 56,239.59
  4. Step 4: Simplify right side
    120,326.22x = 10,151,514,820.24
  5. Step 5: Solve for x
    x = 10,151,514,820.24/120,326.22
  6. Step 6: Final answer
    x = 84,366.61

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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.