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Finding the Fourth Proportional to 188,503.66, 282,695.49 and 62,120.35

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Solution

The fourth proportional to 188,503.66, 282,695.49 and 62,120.35 is: 93,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,503.66 : 282,695.49 = 62,120.35 : x
  2. Step 2: Convert to fraction form
    188,503.66/282,695.49 = 62,120.35/x
  3. Step 3: Cross multiply
    188,503.66x = 282,695.49 × 62,120.35
  4. Step 4: Simplify right side
    188,503.66x = 17,561,142,782.22
  5. Step 5: Solve for x
    x = 17,561,142,782.22/188,503.66
  6. Step 6: Final answer
    x = 93,160.75

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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.