Home / 188,500.97-260,124.75-103,617.42

Finding the Fourth Proportional to 188,500.97, 260,124.75 and 103,617.42

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Solution

The fourth proportional to 188,500.97, 260,124.75 and 103,617.42 is: 142,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,500.97 : 260,124.75 = 103,617.42 : x
  2. Step 2: Convert to fraction form
    188,500.97/260,124.75 = 103,617.42/x
  3. Step 3: Cross multiply
    188,500.97x = 260,124.75 × 103,617.42
  4. Step 4: Simplify right side
    188,500.97x = 26,953,455,473.15
  5. Step 5: Solve for x
    x = 26,953,455,473.15/188,500.97
  6. Step 6: Final answer
    x = 142,988.42

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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.