Home / 238,723.14-329,437.80-131,300.40

Finding the Fourth Proportional to 238,723.14, 329,437.80 and 131,300.40

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Solution

The fourth proportional to 238,723.14, 329,437.80 and 131,300.40 is: 181,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,723.14 : 329,437.80 = 131,300.40 : x
  2. Step 2: Convert to fraction form
    238,723.14/329,437.80 = 131,300.40/x
  3. Step 3: Cross multiply
    238,723.14x = 329,437.80 × 131,300.40
  4. Step 4: Simplify right side
    238,723.14x = 43,255,314,915.12
  5. Step 5: Solve for x
    x = 43,255,314,915.12/238,723.14
  6. Step 6: Final answer
    x = 181,194.48

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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.