Home / 188,257.50-282,365.55-55,139.04

Finding the Fourth Proportional to 188,257.50, 282,365.55 and 55,139.04

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Solution

The fourth proportional to 188,257.50, 282,365.55 and 55,139.04 is: 82,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,257.50 : 282,365.55 = 55,139.04 : x
  2. Step 2: Convert to fraction form
    188,257.50/282,365.55 = 55,139.04/x
  3. Step 3: Cross multiply
    188,257.50x = 282,365.55 × 55,139.04
  4. Step 4: Simplify right side
    188,257.50x = 15,569,365,356.07
  5. Step 5: Solve for x
    x = 15,569,365,356.07/188,257.50
  6. Step 6: Final answer
    x = 82,702.50

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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.