Home / 195,128.64-292,694.40-54,901.44

Finding the Fourth Proportional to 195,128.64, 292,694.40 and 54,901.44

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Solution

The fourth proportional to 195,128.64, 292,694.40 and 54,901.44 is: 82,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,128.64 : 292,694.40 = 54,901.44 : x
  2. Step 2: Convert to fraction form
    195,128.64/292,694.40 = 54,901.44/x
  3. Step 3: Cross multiply
    195,128.64x = 292,694.40 × 54,901.44
  4. Step 4: Simplify right side
    195,128.64x = 16,069,344,039.94
  5. Step 5: Solve for x
    x = 16,069,344,039.94/195,128.64
  6. Step 6: Final answer
    x = 82,352.57

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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.