Home / 132,885.50-199,421.65-120,180.74

Finding the Fourth Proportional to 132,885.50, 199,421.65 and 120,180.74

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Solution

The fourth proportional to 132,885.50, 199,421.65 and 120,180.74 is: 180,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,885.50 : 199,421.65 = 120,180.74 : x
  2. Step 2: Convert to fraction form
    132,885.50/199,421.65 = 120,180.74/x
  3. Step 3: Cross multiply
    132,885.50x = 199,421.65 × 120,180.74
  4. Step 4: Simplify right side
    132,885.50x = 23,966,640,622.14
  5. Step 5: Solve for x
    x = 23,966,640,622.14/132,885.50
  6. Step 6: Final answer
    x = 180,355.58

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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.