Home / 154,517.67-213,231.42-89,998.74

Finding the Fourth Proportional to 154,517.67, 213,231.42 and 89,998.74

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Solution

The fourth proportional to 154,517.67, 213,231.42 and 89,998.74 is: 124,196.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,517.67 : 213,231.42 = 89,998.74 : x
  2. Step 2: Convert to fraction form
    154,517.67/213,231.42 = 89,998.74/x
  3. Step 3: Cross multiply
    154,517.67x = 213,231.42 × 89,998.74
  4. Step 4: Simplify right side
    154,517.67x = 19,190,559,128.41
  5. Step 5: Solve for x
    x = 19,190,559,128.41/154,517.67
  6. Step 6: Final answer
    x = 124,196.53

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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.