Home / 640,733.40-961,027.20-167,466.60

Finding the Fourth Proportional to 640,733.40, 961,027.20 and 167,466.60

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Solution

The fourth proportional to 640,733.40, 961,027.20 and 167,466.60 is: 251,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,733.40 : 961,027.20 = 167,466.60 : x
  2. Step 2: Convert to fraction form
    640,733.40/961,027.20 = 167,466.60/x
  3. Step 3: Cross multiply
    640,733.40x = 961,027.20 × 167,466.60
  4. Step 4: Simplify right side
    640,733.40x = 160,939,957,691.52
  5. Step 5: Solve for x
    x = 160,939,957,691.52/640,733.40
  6. Step 6: Final answer
    x = 251,180.85

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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.