Home / 154,321.23-213,002.82-93,934.25

Finding the Fourth Proportional to 154,321.23, 213,002.82 and 93,934.25

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Solution

The fourth proportional to 154,321.23, 213,002.82 and 93,934.25 is: 129,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,321.23 : 213,002.82 = 93,934.25 : x
  2. Step 2: Convert to fraction form
    154,321.23/213,002.82 = 93,934.25/x
  3. Step 3: Cross multiply
    154,321.23x = 213,002.82 × 93,934.25
  4. Step 4: Simplify right side
    154,321.23x = 20,008,259,079.57
  5. Step 5: Solve for x
    x = 20,008,259,079.57/154,321.23
  6. Step 6: Final answer
    x = 129,653.32

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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.