Home / 191,615.75-264,437.89-106,732.79

Finding the Fourth Proportional to 191,615.75, 264,437.89 and 106,732.79

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Solution

The fourth proportional to 191,615.75, 264,437.89 and 106,732.79 is: 147,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,615.75 : 264,437.89 = 106,732.79 : x
  2. Step 2: Convert to fraction form
    191,615.75/264,437.89 = 106,732.79/x
  3. Step 3: Cross multiply
    191,615.75x = 264,437.89 × 106,732.79
  4. Step 4: Simplify right side
    191,615.75x = 28,224,193,781.41
  5. Step 5: Solve for x
    x = 28,224,193,781.41/191,615.75
  6. Step 6: Final answer
    x = 147,295.79

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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.