Home / 238,941.05-329,726.08-131,490.30

Finding the Fourth Proportional to 238,941.05, 329,726.08 and 131,490.30

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Solution

The fourth proportional to 238,941.05, 329,726.08 and 131,490.30 is: 181,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,941.05 : 329,726.08 = 131,490.30 : x
  2. Step 2: Convert to fraction form
    238,941.05/329,726.08 = 131,490.30/x
  3. Step 3: Cross multiply
    238,941.05x = 329,726.08 × 131,490.30
  4. Step 4: Simplify right side
    238,941.05x = 43,355,781,177.02
  5. Step 5: Solve for x
    x = 43,355,781,177.02/238,941.05
  6. Step 6: Final answer
    x = 181,449.70

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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.