Home / 191,760.68-264,638.82-106,878.36

Finding the Fourth Proportional to 191,760.68, 264,638.82 and 106,878.36

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Solution

The fourth proportional to 191,760.68, 264,638.82 and 106,878.36 is: 147,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,760.68 : 264,638.82 = 106,878.36 : x
  2. Step 2: Convert to fraction form
    191,760.68/264,638.82 = 106,878.36/x
  3. Step 3: Cross multiply
    191,760.68x = 264,638.82 × 106,878.36
  4. Step 4: Simplify right side
    191,760.68x = 28,284,163,073.94
  5. Step 5: Solve for x
    x = 28,284,163,073.94/191,760.68
  6. Step 6: Final answer
    x = 147,497.20

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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.