Home / 235,106.34-324,428.76-138,314.04

Finding the Fourth Proportional to 235,106.34, 324,428.76 and 138,314.04

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Solution

The fourth proportional to 235,106.34, 324,428.76 and 138,314.04 is: 190,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,106.34 : 324,428.76 = 138,314.04 : x
  2. Step 2: Convert to fraction form
    235,106.34/324,428.76 = 138,314.04/x
  3. Step 3: Cross multiply
    235,106.34x = 324,428.76 × 138,314.04
  4. Step 4: Simplify right side
    235,106.34x = 44,873,052,487.79
  5. Step 5: Solve for x
    x = 44,873,052,487.79/235,106.34
  6. Step 6: Final answer
    x = 190,862.79

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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.