Home / 238,875.47-329,649.71-131,442.74

Finding the Fourth Proportional to 238,875.47, 329,649.71 and 131,442.74

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Solution

The fourth proportional to 238,875.47, 329,649.71 and 131,442.74 is: 181,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,875.47 : 329,649.71 = 131,442.74 : x
  2. Step 2: Convert to fraction form
    238,875.47/329,649.71 = 131,442.74/x
  3. Step 3: Cross multiply
    238,875.47x = 329,649.71 × 131,442.74
  4. Step 4: Simplify right side
    238,875.47x = 43,330,061,122.61
  5. Step 5: Solve for x
    x = 43,330,061,122.61/238,875.47
  6. Step 6: Final answer
    x = 181,391.84

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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.