Home / 130,435.20-195,725.70-55,542.60

Finding the Fourth Proportional to 130,435.20, 195,725.70 and 55,542.60

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Solution

The fourth proportional to 130,435.20, 195,725.70 and 55,542.60 is: 83,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,435.20 : 195,725.70 = 55,542.60 : x
  2. Step 2: Convert to fraction form
    130,435.20/195,725.70 = 55,542.60/x
  3. Step 3: Cross multiply
    130,435.20x = 195,725.70 × 55,542.60
  4. Step 4: Simplify right side
    130,435.20x = 10,871,114,264.82
  5. Step 5: Solve for x
    x = 10,871,114,264.82/130,435.20
  6. Step 6: Final answer
    x = 83,344.94

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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.