Home / 143,091.96-197,487.44-85,733.55

Finding the Fourth Proportional to 143,091.96, 197,487.44 and 85,733.55

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Solution

The fourth proportional to 143,091.96, 197,487.44 and 85,733.55 is: 118,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,091.96 : 197,487.44 = 85,733.55 : x
  2. Step 2: Convert to fraction form
    143,091.96/197,487.44 = 85,733.55/x
  3. Step 3: Cross multiply
    143,091.96x = 197,487.44 × 85,733.55
  4. Step 4: Simplify right side
    143,091.96x = 16,931,299,311.61
  5. Step 5: Solve for x
    x = 16,931,299,311.61/143,091.96
  6. Step 6: Final answer
    x = 118,324.60

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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.