Home / 130,436.20-195,727.20-55,543.60

Finding the Fourth Proportional to 130,436.20, 195,727.20 and 55,543.60

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Solution

The fourth proportional to 130,436.20, 195,727.20 and 55,543.60 is: 83,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,436.20 : 195,727.20 = 55,543.60 : x
  2. Step 2: Convert to fraction form
    130,436.20/195,727.20 = 55,543.60/x
  3. Step 3: Cross multiply
    130,436.20x = 195,727.20 × 55,543.60
  4. Step 4: Simplify right side
    130,436.20x = 10,871,393,305.92
  5. Step 5: Solve for x
    x = 10,871,393,305.92/130,436.20
  6. Step 6: Final answer
    x = 83,346.44

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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.