Home / 191,784.24-264,656.16-120,202.92

Finding the Fourth Proportional to 191,784.24, 264,656.16 and 120,202.92

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Solution

The fourth proportional to 191,784.24, 264,656.16 and 120,202.92 is: 165,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,784.24 : 264,656.16 = 120,202.92 : x
  2. Step 2: Convert to fraction form
    191,784.24/264,656.16 = 120,202.92/x
  3. Step 3: Cross multiply
    191,784.24x = 264,656.16 × 120,202.92
  4. Step 4: Simplify right side
    191,784.24x = 31,812,443,227.99
  5. Step 5: Solve for x
    x = 31,812,443,227.99/191,784.24
  6. Step 6: Final answer
    x = 165,876.21

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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.