Home / 155,629.60-214,760.04-91,973.32

Finding the Fourth Proportional to 155,629.60, 214,760.04 and 91,973.32

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Solution

The fourth proportional to 155,629.60, 214,760.04 and 91,973.32 is: 126,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,629.60 : 214,760.04 = 91,973.32 : x
  2. Step 2: Convert to fraction form
    155,629.60/214,760.04 = 91,973.32/x
  3. Step 3: Cross multiply
    155,629.60x = 214,760.04 × 91,973.32
  4. Step 4: Simplify right side
    155,629.60x = 19,752,193,882.13
  5. Step 5: Solve for x
    x = 19,752,193,882.13/155,629.60
  6. Step 6: Final answer
    x = 126,917.98

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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.