Home / 188,211.10-282,316.65-82,918.30

Finding the Fourth Proportional to 188,211.10, 282,316.65 and 82,918.30

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Solution

The fourth proportional to 188,211.10, 282,316.65 and 82,918.30 is: 124,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,211.10 : 282,316.65 = 82,918.30 : x
  2. Step 2: Convert to fraction form
    188,211.10/282,316.65 = 82,918.30/x
  3. Step 3: Cross multiply
    188,211.10x = 282,316.65 × 82,918.30
  4. Step 4: Simplify right side
    188,211.10x = 23,409,216,679.70
  5. Step 5: Solve for x
    x = 23,409,216,679.70/188,211.10
  6. Step 6: Final answer
    x = 124,377.45

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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.