Home / 146,311.80-201,308.94-136,980.60

Finding the Fourth Proportional to 146,311.80, 201,308.94 and 136,980.60

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Solution

The fourth proportional to 146,311.80, 201,308.94 and 136,980.60 is: 188,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,311.80 : 201,308.94 = 136,980.60 : x
  2. Step 2: Convert to fraction form
    146,311.80/201,308.94 = 136,980.60/x
  3. Step 3: Cross multiply
    146,311.80x = 201,308.94 × 136,980.60
  4. Step 4: Simplify right side
    146,311.80x = 27,575,419,386.56
  5. Step 5: Solve for x
    x = 27,575,419,386.56/146,311.80
  6. Step 6: Final answer
    x = 188,470.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.