Home / 231,563.34-319,574.58-129,599.02

Finding the Fourth Proportional to 231,563.34, 319,574.58 and 129,599.02

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Solution

The fourth proportional to 231,563.34, 319,574.58 and 129,599.02 is: 178,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,563.34 : 319,574.58 = 129,599.02 : x
  2. Step 2: Convert to fraction form
    231,563.34/319,574.58 = 129,599.02/x
  3. Step 3: Cross multiply
    231,563.34x = 319,574.58 × 129,599.02
  4. Step 4: Simplify right side
    231,563.34x = 41,416,552,384.91
  5. Step 5: Solve for x
    x = 41,416,552,384.91/231,563.34
  6. Step 6: Final answer
    x = 178,856.26

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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.