Home / 238,702.01-329,404.47-131,272.34

Finding the Fourth Proportional to 238,702.01, 329,404.47 and 131,272.34

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Solution

The fourth proportional to 238,702.01, 329,404.47 and 131,272.34 is: 181,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,702.01 : 329,404.47 = 131,272.34 : x
  2. Step 2: Convert to fraction form
    238,702.01/329,404.47 = 131,272.34/x
  3. Step 3: Cross multiply
    238,702.01x = 329,404.47 × 131,272.34
  4. Step 4: Simplify right side
    238,702.01x = 43,241,695,583.36
  5. Step 5: Solve for x
    x = 43,241,695,583.36/238,702.01
  6. Step 6: Final answer
    x = 181,153.46

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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.