Home / 238,570.38-329,220.54-131,125.77

Finding the Fourth Proportional to 238,570.38, 329,220.54 and 131,125.77

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Solution

The fourth proportional to 238,570.38, 329,220.54 and 131,125.77 is: 180,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,570.38 : 329,220.54 = 131,125.77 : x
  2. Step 2: Convert to fraction form
    238,570.38/329,220.54 = 131,125.77/x
  3. Step 3: Cross multiply
    238,570.38x = 329,220.54 × 131,125.77
  4. Step 4: Simplify right side
    238,570.38x = 43,169,296,807.32
  5. Step 5: Solve for x
    x = 43,169,296,807.32/238,570.38
  6. Step 6: Final answer
    x = 180,949.94

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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.