Home / 186,249.30-279,417.33-53,131.38

Finding the Fourth Proportional to 186,249.30, 279,417.33 and 53,131.38

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Solution

The fourth proportional to 186,249.30, 279,417.33 and 53,131.38 is: 79,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,249.30 : 279,417.33 = 53,131.38 : x
  2. Step 2: Convert to fraction form
    186,249.30/279,417.33 = 53,131.38/x
  3. Step 3: Cross multiply
    186,249.30x = 279,417.33 × 53,131.38
  4. Step 4: Simplify right side
    186,249.30x = 14,845,828,338.82
  5. Step 5: Solve for x
    x = 14,845,828,338.82/186,249.30
  6. Step 6: Final answer
    x = 79,709.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.