Home / 138,321.14-207,407.46-43,533.60

Finding the Fourth Proportional to 138,321.14, 207,407.46 and 43,533.60

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Solution

The fourth proportional to 138,321.14, 207,407.46 and 43,533.60 is: 65,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,321.14 : 207,407.46 = 43,533.60 : x
  2. Step 2: Convert to fraction form
    138,321.14/207,407.46 = 43,533.60/x
  3. Step 3: Cross multiply
    138,321.14x = 207,407.46 × 43,533.60
  4. Step 4: Simplify right side
    138,321.14x = 9,029,193,400.66
  5. Step 5: Solve for x
    x = 9,029,193,400.66/138,321.14
  6. Step 6: Final answer
    x = 65,277.03

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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.