Home / 172,799.52-238,474.32-130,283.04

Finding the Fourth Proportional to 172,799.52, 238,474.32 and 130,283.04

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Solution

The fourth proportional to 172,799.52, 238,474.32 and 130,283.04 is: 179,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,799.52 : 238,474.32 = 130,283.04 : x
  2. Step 2: Convert to fraction form
    172,799.52/238,474.32 = 130,283.04/x
  3. Step 3: Cross multiply
    172,799.52x = 238,474.32 × 130,283.04
  4. Step 4: Simplify right side
    172,799.52x = 31,069,159,371.53
  5. Step 5: Solve for x
    x = 31,069,159,371.53/172,799.52
  6. Step 6: Final answer
    x = 179,798.88

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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.