Home / 238,674.79-329,359.93-131,249.35

Finding the Fourth Proportional to 238,674.79, 329,359.93 and 131,249.35

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Solution

The fourth proportional to 238,674.79, 329,359.93 and 131,249.35 is: 181,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,674.79 : 329,359.93 = 131,249.35 : x
  2. Step 2: Convert to fraction form
    238,674.79/329,359.93 = 131,249.35/x
  3. Step 3: Cross multiply
    238,674.79x = 329,359.93 × 131,249.35
  4. Step 4: Simplify right side
    238,674.79x = 43,228,276,728.55
  5. Step 5: Solve for x
    x = 43,228,276,728.55/238,674.79
  6. Step 6: Final answer
    x = 181,117.90

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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.