Home / 130,174.20-195,334.20-55,281.60

Finding the Fourth Proportional to 130,174.20, 195,334.20 and 55,281.60

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Solution

The fourth proportional to 130,174.20, 195,334.20 and 55,281.60 is: 82,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,174.20 : 195,334.20 = 55,281.60 : x
  2. Step 2: Convert to fraction form
    130,174.20/195,334.20 = 55,281.60/x
  3. Step 3: Cross multiply
    130,174.20x = 195,334.20 × 55,281.60
  4. Step 4: Simplify right side
    130,174.20x = 10,798,387,110.72
  5. Step 5: Solve for x
    x = 10,798,387,110.72/130,174.20
  6. Step 6: Final answer
    x = 82,953.36

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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.