Home / 238,721.64-329,435.74-131,298.90

Finding the Fourth Proportional to 238,721.64, 329,435.74 and 131,298.90

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Solution

The fourth proportional to 238,721.64, 329,435.74 and 131,298.90 is: 181,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,721.64 : 329,435.74 = 131,298.90 : x
  2. Step 2: Convert to fraction form
    238,721.64/329,435.74 = 131,298.90/x
  3. Step 3: Cross multiply
    238,721.64x = 329,435.74 × 131,298.90
  4. Step 4: Simplify right side
    238,721.64x = 43,254,550,282.69
  5. Step 5: Solve for x
    x = 43,254,550,282.69/238,721.64
  6. Step 6: Final answer
    x = 181,192.41

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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.