Home / 238,685.22-329,394.15-131,263.56

Finding the Fourth Proportional to 238,685.22, 329,394.15 and 131,263.56

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Solution

The fourth proportional to 238,685.22, 329,394.15 and 131,263.56 is: 181,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,685.22 : 329,394.15 = 131,263.56 : x
  2. Step 2: Convert to fraction form
    238,685.22/329,394.15 = 131,263.56/x
  3. Step 3: Cross multiply
    238,685.22x = 329,394.15 × 131,263.56
  4. Step 4: Simplify right side
    238,685.22x = 43,237,448,772.17
  5. Step 5: Solve for x
    x = 43,237,448,772.17/238,685.22
  6. Step 6: Final answer
    x = 181,148.41

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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.