Home / 118,870.21-178,382.62-51,468.07

Finding the Fourth Proportional to 118,870.21, 178,382.62 and 51,468.07

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Solution

The fourth proportional to 118,870.21, 178,382.62 and 51,468.07 is: 77,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,870.21 : 178,382.62 = 51,468.07 : x
  2. Step 2: Convert to fraction form
    118,870.21/178,382.62 = 51,468.07/x
  3. Step 3: Cross multiply
    118,870.21x = 178,382.62 × 51,468.07
  4. Step 4: Simplify right side
    118,870.21x = 9,181,008,272.87
  5. Step 5: Solve for x
    x = 9,181,008,272.87/118,870.21
  6. Step 6: Final answer
    x = 77,235.57

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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.