Home / 239,940.40-359,633.81-90,085.11

Finding the Fourth Proportional to 239,940.40, 359,633.81 and 90,085.11

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Solution

The fourth proportional to 239,940.40, 359,633.81 and 90,085.11 is: 135,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,940.40 : 359,633.81 = 90,085.11 : x
  2. Step 2: Convert to fraction form
    239,940.40/359,633.81 = 90,085.11/x
  3. Step 3: Cross multiply
    239,940.40x = 359,633.81 × 90,085.11
  4. Step 4: Simplify right side
    239,940.40x = 32,397,650,883.14
  5. Step 5: Solve for x
    x = 32,397,650,883.14/239,940.40
  6. Step 6: Final answer
    x = 135,023.74

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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.