Home / 238,557.34-329,209.23-131,126.50

Finding the Fourth Proportional to 238,557.34, 329,209.23 and 131,126.50

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Solution

The fourth proportional to 238,557.34, 329,209.23 and 131,126.50 is: 180,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,557.34 : 329,209.23 = 131,126.50 : x
  2. Step 2: Convert to fraction form
    238,557.34/329,209.23 = 131,126.50/x
  3. Step 3: Cross multiply
    238,557.34x = 329,209.23 × 131,126.50
  4. Step 4: Simplify right side
    238,557.34x = 43,168,054,097.60
  5. Step 5: Solve for x
    x = 43,168,054,097.60/238,557.34
  6. Step 6: Final answer
    x = 180,954.63

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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.