Home / 130,131.12-195,179.40-36,644.16

Finding the Fourth Proportional to 130,131.12, 195,179.40 and 36,644.16

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Solution

The fourth proportional to 130,131.12, 195,179.40 and 36,644.16 is: 54,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,131.12 : 195,179.40 = 36,644.16 : x
  2. Step 2: Convert to fraction form
    130,131.12/195,179.40 = 36,644.16/x
  3. Step 3: Cross multiply
    130,131.12x = 195,179.40 × 36,644.16
  4. Step 4: Simplify right side
    130,131.12x = 7,152,185,162.30
  5. Step 5: Solve for x
    x = 7,152,185,162.30/130,131.12
  6. Step 6: Final answer
    x = 54,961.37

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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.