Home / 253,099.02-379,836.24-119,979.54

Finding the Fourth Proportional to 253,099.02, 379,836.24 and 119,979.54

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Solution

The fourth proportional to 253,099.02, 379,836.24 and 119,979.54 is: 180,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,099.02 : 379,836.24 = 119,979.54 : x
  2. Step 2: Convert to fraction form
    253,099.02/379,836.24 = 119,979.54/x
  3. Step 3: Cross multiply
    253,099.02x = 379,836.24 × 119,979.54
  4. Step 4: Simplify right side
    253,099.02x = 45,572,577,350.53
  5. Step 5: Solve for x
    x = 45,572,577,350.53/253,099.02
  6. Step 6: Final answer
    x = 180,058.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.