Home / 186,294.24-279,357.30-53,142.78

Finding the Fourth Proportional to 186,294.24, 279,357.30 and 53,142.78

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Solution

The fourth proportional to 186,294.24, 279,357.30 and 53,142.78 is: 79,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,294.24 : 279,357.30 = 53,142.78 : x
  2. Step 2: Convert to fraction form
    186,294.24/279,357.30 = 53,142.78/x
  3. Step 3: Cross multiply
    186,294.24x = 279,357.30 × 53,142.78
  4. Step 4: Simplify right side
    186,294.24x = 14,845,823,535.29
  5. Step 5: Solve for x
    x = 14,845,823,535.29/186,294.24
  6. Step 6: Final answer
    x = 79,690.19

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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.