Home / 107,143.20-160,887.60-80,877.60

Finding the Fourth Proportional to 107,143.20, 160,887.60 and 80,877.60

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Solution

The fourth proportional to 107,143.20, 160,887.60 and 80,877.60 is: 121,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,143.20 : 160,887.60 = 80,877.60 : x
  2. Step 2: Convert to fraction form
    107,143.20/160,887.60 = 80,877.60/x
  3. Step 3: Cross multiply
    107,143.20x = 160,887.60 × 80,877.60
  4. Step 4: Simplify right side
    107,143.20x = 13,012,202,957.76
  5. Step 5: Solve for x
    x = 13,012,202,957.76/107,143.20
  6. Step 6: Final answer
    x = 121,446.84

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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.