Home / 238,947.44-329,740.57-131,515.16

Finding the Fourth Proportional to 238,947.44, 329,740.57 and 131,515.16

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Solution

The fourth proportional to 238,947.44, 329,740.57 and 131,515.16 is: 181,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,947.44 : 329,740.57 = 131,515.16 : x
  2. Step 2: Convert to fraction form
    238,947.44/329,740.57 = 131,515.16/x
  3. Step 3: Cross multiply
    238,947.44x = 329,740.57 × 131,515.16
  4. Step 4: Simplify right side
    238,947.44x = 43,365,884,192.52
  5. Step 5: Solve for x
    x = 43,365,884,192.52/238,947.44
  6. Step 6: Final answer
    x = 181,487.13

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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.