Home / 238,528.35-329,169.83-131,109.39

Finding the Fourth Proportional to 238,528.35, 329,169.83 and 131,109.39

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Solution

The fourth proportional to 238,528.35, 329,169.83 and 131,109.39 is: 180,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,528.35 : 329,169.83 = 131,109.39 : x
  2. Step 2: Convert to fraction form
    238,528.35/329,169.83 = 131,109.39/x
  3. Step 3: Cross multiply
    238,528.35x = 329,169.83 × 131,109.39
  4. Step 4: Simplify right side
    238,528.35x = 43,157,254,956.92
  5. Step 5: Solve for x
    x = 43,157,254,956.92/238,528.35
  6. Step 6: Final answer
    x = 180,931.35

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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.