Home / 188,507.04-260,142.96-103,627.68

Finding the Fourth Proportional to 188,507.04, 260,142.96 and 103,627.68

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Solution

The fourth proportional to 188,507.04, 260,142.96 and 103,627.68 is: 143,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,507.04 : 260,142.96 = 103,627.68 : x
  2. Step 2: Convert to fraction form
    188,507.04/260,142.96 = 103,627.68/x
  3. Step 3: Cross multiply
    188,507.04x = 260,142.96 × 103,627.68
  4. Step 4: Simplify right side
    188,507.04x = 26,958,011,413.13
  5. Step 5: Solve for x
    x = 26,958,011,413.13/188,507.04
  6. Step 6: Final answer
    x = 143,007.98

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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.