Home / 130,129.20-195,631.20-110,883.60

Finding the Fourth Proportional to 130,129.20, 195,631.20 and 110,883.60

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Solution

The fourth proportional to 130,129.20, 195,631.20 and 110,883.60 is: 166,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,129.20 : 195,631.20 = 110,883.60 : x
  2. Step 2: Convert to fraction form
    130,129.20/195,631.20 = 110,883.60/x
  3. Step 3: Cross multiply
    130,129.20x = 195,631.20 × 110,883.60
  4. Step 4: Simplify right side
    130,129.20x = 21,692,291,728.32
  5. Step 5: Solve for x
    x = 21,692,291,728.32/130,129.20
  6. Step 6: Final answer
    x = 166,698.11

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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.