Home / 96,673.40-145,010.10-85,268.60

Finding the Fourth Proportional to 96,673.40, 145,010.10 and 85,268.60

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Solution

The fourth proportional to 96,673.40, 145,010.10 and 85,268.60 is: 127,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,673.40 : 145,010.10 = 85,268.60 : x
  2. Step 2: Convert to fraction form
    96,673.40/145,010.10 = 85,268.60/x
  3. Step 3: Cross multiply
    96,673.40x = 145,010.10 × 85,268.60
  4. Step 4: Simplify right side
    96,673.40x = 12,364,808,212.86
  5. Step 5: Solve for x
    x = 12,364,808,212.86/96,673.40
  6. Step 6: Final answer
    x = 127,902.90

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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.