Home / 140,529.50-193,925.88-80,119.60

Finding the Fourth Proportional to 140,529.50, 193,925.88 and 80,119.60

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Solution

The fourth proportional to 140,529.50, 193,925.88 and 80,119.60 is: 110,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,529.50 : 193,925.88 = 80,119.60 : x
  2. Step 2: Convert to fraction form
    140,529.50/193,925.88 = 80,119.60/x
  3. Step 3: Cross multiply
    140,529.50x = 193,925.88 × 80,119.60
  4. Step 4: Simplify right side
    140,529.50x = 15,537,263,935.25
  5. Step 5: Solve for x
    x = 15,537,263,935.25/140,529.50
  6. Step 6: Final answer
    x = 110,562.29

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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.