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Finding the Fourth Proportional to 188,452.98, 260,066.73 and 102,411.95

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Solution

The fourth proportional to 188,452.98, 260,066.73 and 102,411.95 is: 141,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,452.98 : 260,066.73 = 102,411.95 : x
  2. Step 2: Convert to fraction form
    188,452.98/260,066.73 = 102,411.95/x
  3. Step 3: Cross multiply
    188,452.98x = 260,066.73 × 102,411.95
  4. Step 4: Simplify right side
    188,452.98x = 26,633,939,169.03
  5. Step 5: Solve for x
    x = 26,633,939,169.03/188,452.98
  6. Step 6: Final answer
    x = 141,329.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.