Home / 253,565.73-349,926.08-138,849.21

Finding the Fourth Proportional to 253,565.73, 349,926.08 and 138,849.21

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Solution

The fourth proportional to 253,565.73, 349,926.08 and 138,849.21 is: 191,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,565.73 : 349,926.08 = 138,849.21 : x
  2. Step 2: Convert to fraction form
    253,565.73/349,926.08 = 138,849.21/x
  3. Step 3: Cross multiply
    253,565.73x = 349,926.08 × 138,849.21
  4. Step 4: Simplify right side
    253,565.73x = 48,586,959,072.15
  5. Step 5: Solve for x
    x = 48,586,959,072.15/253,565.73
  6. Step 6: Final answer
    x = 191,614.85

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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.