Home / 186,721.12-279,990.72-62,020

Finding the Fourth Proportional to 186,721.12, 279,990.72 and 62,020

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Solution

The fourth proportional to 186,721.12, 279,990.72 and 62,020 is: 92,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,721.12 : 279,990.72 = 62,020 : x
  2. Step 2: Convert to fraction form
    186,721.12/279,990.72 = 62,020/x
  3. Step 3: Cross multiply
    186,721.12x = 279,990.72 × 62,020
  4. Step 4: Simplify right side
    186,721.12x = 17,365,024,454.40
  5. Step 5: Solve for x
    x = 17,365,024,454.40/186,721.12
  6. Step 6: Final answer
    x = 92,999.79

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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.