Home / 125,465.22-173,084.26-80,120.52

Finding the Fourth Proportional to 125,465.22, 173,084.26 and 80,120.52

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Solution

The fourth proportional to 125,465.22, 173,084.26 and 80,120.52 is: 110,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,465.22 : 173,084.26 = 80,120.52 : x
  2. Step 2: Convert to fraction form
    125,465.22/173,084.26 = 80,120.52/x
  3. Step 3: Cross multiply
    125,465.22x = 173,084.26 × 80,120.52
  4. Step 4: Simplify right side
    125,465.22x = 13,867,600,915.02
  5. Step 5: Solve for x
    x = 13,867,600,915.02/125,465.22
  6. Step 6: Final answer
    x = 110,529.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.