Home / 238,621.77-329,289.57-131,191.02

Finding the Fourth Proportional to 238,621.77, 329,289.57 and 131,191.02

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Solution

The fourth proportional to 238,621.77, 329,289.57 and 131,191.02 is: 181,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,621.77 : 329,289.57 = 131,191.02 : x
  2. Step 2: Convert to fraction form
    238,621.77/329,289.57 = 131,191.02/x
  3. Step 3: Cross multiply
    238,621.77x = 329,289.57 × 131,191.02
  4. Step 4: Simplify right side
    238,621.77x = 43,199,834,563.66
  5. Step 5: Solve for x
    x = 43,199,834,563.66/238,621.77
  6. Step 6: Final answer
    x = 181,038.95

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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.