Home / 238,700.23-329,399.75-131,270.26

Finding the Fourth Proportional to 238,700.23, 329,399.75 and 131,270.26

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Solution

The fourth proportional to 238,700.23, 329,399.75 and 131,270.26 is: 181,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,700.23 : 329,399.75 = 131,270.26 : x
  2. Step 2: Convert to fraction form
    238,700.23/329,399.75 = 131,270.26/x
  3. Step 3: Cross multiply
    238,700.23x = 329,399.75 × 131,270.26
  4. Step 4: Simplify right side
    238,700.23x = 43,240,390,826.44
  5. Step 5: Solve for x
    x = 43,240,390,826.44/238,700.23
  6. Step 6: Final answer
    x = 181,149.35

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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.