Home / 238,985.02-329,796.78-131,552.80

Finding the Fourth Proportional to 238,985.02, 329,796.78 and 131,552.80

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Solution

The fourth proportional to 238,985.02, 329,796.78 and 131,552.80 is: 181,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,985.02 : 329,796.78 = 131,552.80 : x
  2. Step 2: Convert to fraction form
    238,985.02/329,796.78 = 131,552.80/x
  3. Step 3: Cross multiply
    238,985.02x = 329,796.78 × 131,552.80
  4. Step 4: Simplify right side
    238,985.02x = 43,385,689,839.98
  5. Step 5: Solve for x
    x = 43,385,689,839.98/238,985.02
  6. Step 6: Final answer
    x = 181,541.46

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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.