Home / 133,215.60-199,823.40-91,225.20

Finding the Fourth Proportional to 133,215.60, 199,823.40 and 91,225.20

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Solution

The fourth proportional to 133,215.60, 199,823.40 and 91,225.20 is: 136,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,215.60 : 199,823.40 = 91,225.20 : x
  2. Step 2: Convert to fraction form
    133,215.60/199,823.40 = 91,225.20/x
  3. Step 3: Cross multiply
    133,215.60x = 199,823.40 × 91,225.20
  4. Step 4: Simplify right side
    133,215.60x = 18,228,929,629.68
  5. Step 5: Solve for x
    x = 18,228,929,629.68/133,215.60
  6. Step 6: Final answer
    x = 136,837.80

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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.