Home / 186,379.47-279,569.20-46,138.09

Finding the Fourth Proportional to 186,379.47, 279,569.20 and 46,138.09

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Solution

The fourth proportional to 186,379.47, 279,569.20 and 46,138.09 is: 69,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,379.47 : 279,569.20 = 46,138.09 : x
  2. Step 2: Convert to fraction form
    186,379.47/279,569.20 = 46,138.09/x
  3. Step 3: Cross multiply
    186,379.47x = 279,569.20 × 46,138.09
  4. Step 4: Simplify right side
    186,379.47x = 12,898,788,910.83
  5. Step 5: Solve for x
    x = 12,898,788,910.83/186,379.47
  6. Step 6: Final answer
    x = 69,207.13

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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.