Home / 191,723.14-264,468-119,978.61

Finding the Fourth Proportional to 191,723.14, 264,468 and 119,978.61

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Solution

The fourth proportional to 191,723.14, 264,468 and 119,978.61 is: 165,501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,723.14 : 264,468 = 119,978.61 : x
  2. Step 2: Convert to fraction form
    191,723.14/264,468 = 119,978.61/x
  3. Step 3: Cross multiply
    191,723.14x = 264,468 × 119,978.61
  4. Step 4: Simplify right side
    191,723.14x = 31,730,503,029.48
  5. Step 5: Solve for x
    x = 31,730,503,029.48/191,723.14
  6. Step 6: Final answer
    x = 165,501.69

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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.