Home / 188,155.40-282,002.70-82,862.60

Finding the Fourth Proportional to 188,155.40, 282,002.70 and 82,862.60

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Solution

The fourth proportional to 188,155.40, 282,002.70 and 82,862.60 is: 124,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,155.40 : 282,002.70 = 82,862.60 : x
  2. Step 2: Convert to fraction form
    188,155.40/282,002.70 = 82,862.60/x
  3. Step 3: Cross multiply
    188,155.40x = 282,002.70 × 82,862.60
  4. Step 4: Simplify right side
    188,155.40x = 23,367,476,929.02
  5. Step 5: Solve for x
    x = 23,367,476,929.02/188,155.40
  6. Step 6: Final answer
    x = 124,192.43

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1.5x scale

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.