Home / 186,443.72-279,574.04-79,812.62

Finding the Fourth Proportional to 186,443.72, 279,574.04 and 79,812.62

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Solution

The fourth proportional to 186,443.72, 279,574.04 and 79,812.62 is: 119,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,443.72 : 279,574.04 = 79,812.62 : x
  2. Step 2: Convert to fraction form
    186,443.72/279,574.04 = 79,812.62/x
  3. Step 3: Cross multiply
    186,443.72x = 279,574.04 × 79,812.62
  4. Step 4: Simplify right side
    186,443.72x = 22,313,536,616.38
  5. Step 5: Solve for x
    x = 22,313,536,616.38/186,443.72
  6. Step 6: Final answer
    x = 119,679.74

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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.