Home / 188,500.08-260,133.66-103,617.12

Finding the Fourth Proportional to 188,500.08, 260,133.66 and 103,617.12

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Solution

The fourth proportional to 188,500.08, 260,133.66 and 103,617.12 is: 142,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,500.08 : 260,133.66 = 103,617.12 : x
  2. Step 2: Convert to fraction form
    188,500.08/260,133.66 = 103,617.12/x
  3. Step 3: Cross multiply
    188,500.08x = 260,133.66 × 103,617.12
  4. Step 4: Simplify right side
    188,500.08x = 26,954,300,664.26
  5. Step 5: Solve for x
    x = 26,954,300,664.26/188,500.08
  6. Step 6: Final answer
    x = 142,993.58

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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.