Home / 188,312.90-282,474.03-55,179.14

Finding the Fourth Proportional to 188,312.90, 282,474.03 and 55,179.14

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Solution

The fourth proportional to 188,312.90, 282,474.03 and 55,179.14 is: 82,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,312.90 : 282,474.03 = 55,179.14 : x
  2. Step 2: Convert to fraction form
    188,312.90/282,474.03 = 55,179.14/x
  3. Step 3: Cross multiply
    188,312.90x = 282,474.03 × 55,179.14
  4. Step 4: Simplify right side
    188,312.90x = 15,586,674,047.73
  5. Step 5: Solve for x
    x = 15,586,674,047.73/188,312.90
  6. Step 6: Final answer
    x = 82,770.08

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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.