Home / 154,308.26-212,968.07-93,867.17

Finding the Fourth Proportional to 154,308.26, 212,968.07 and 93,867.17

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Solution

The fourth proportional to 154,308.26, 212,968.07 and 93,867.17 is: 129,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,308.26 : 212,968.07 = 93,867.17 : x
  2. Step 2: Convert to fraction form
    154,308.26/212,968.07 = 93,867.17/x
  3. Step 3: Cross multiply
    154,308.26x = 212,968.07 × 93,867.17
  4. Step 4: Simplify right side
    154,308.26x = 19,990,708,497.09
  5. Step 5: Solve for x
    x = 19,990,708,497.09/154,308.26
  6. Step 6: Final answer
    x = 129,550.48

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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.