Home / 126,005.15-173,791.04-85,650.89

Finding the Fourth Proportional to 126,005.15, 173,791.04 and 85,650.89

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Solution

The fourth proportional to 126,005.15, 173,791.04 and 85,650.89 is: 118,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,005.15 : 173,791.04 = 85,650.89 : x
  2. Step 2: Convert to fraction form
    126,005.15/173,791.04 = 85,650.89/x
  3. Step 3: Cross multiply
    126,005.15x = 173,791.04 × 85,650.89
  4. Step 4: Simplify right side
    126,005.15x = 14,885,355,952.82
  5. Step 5: Solve for x
    x = 14,885,355,952.82/126,005.15
  6. Step 6: Final answer
    x = 118,132.91

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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.