Home / 191,971.88-264,748.50-120,359.24

Finding the Fourth Proportional to 191,971.88, 264,748.50 and 120,359.24

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Solution

The fourth proportional to 191,971.88, 264,748.50 and 120,359.24 is: 165,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,971.88 : 264,748.50 = 120,359.24 : x
  2. Step 2: Convert to fraction form
    191,971.88/264,748.50 = 120,359.24/x
  3. Step 3: Cross multiply
    191,971.88x = 264,748.50 × 120,359.24
  4. Step 4: Simplify right side
    191,971.88x = 31,864,928,251.14
  5. Step 5: Solve for x
    x = 31,864,928,251.14/191,971.88
  6. Step 6: Final answer
    x = 165,987.48

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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.