Home / 238,577.41-329,228.47-131,146.67

Finding the Fourth Proportional to 238,577.41, 329,228.47 and 131,146.67

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Solution

The fourth proportional to 238,577.41, 329,228.47 and 131,146.67 is: 180,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,577.41 : 329,228.47 = 131,146.67 : x
  2. Step 2: Convert to fraction form
    238,577.41/329,228.47 = 131,146.67/x
  3. Step 3: Cross multiply
    238,577.41x = 329,228.47 × 131,146.67
  4. Step 4: Simplify right side
    238,577.41x = 43,177,218,004.90
  5. Step 5: Solve for x
    x = 43,177,218,004.90/238,577.41
  6. Step 6: Final answer
    x = 180,977.82

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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.