Home / 131,774.96-181,849.55-71,345.64

Finding the Fourth Proportional to 131,774.96, 181,849.55 and 71,345.64

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Solution

The fourth proportional to 131,774.96, 181,849.55 and 71,345.64 is: 98,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,774.96 : 181,849.55 = 71,345.64 : x
  2. Step 2: Convert to fraction form
    131,774.96/181,849.55 = 71,345.64/x
  3. Step 3: Cross multiply
    131,774.96x = 181,849.55 × 71,345.64
  4. Step 4: Simplify right side
    131,774.96x = 12,974,172,171.73
  5. Step 5: Solve for x
    x = 12,974,172,171.73/131,774.96
  6. Step 6: Final answer
    x = 98,457.04

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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.