Home / 188,793.06-260,541.81-103,918.02

Finding the Fourth Proportional to 188,793.06, 260,541.81 and 103,918.02

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Solution

The fourth proportional to 188,793.06, 260,541.81 and 103,918.02 is: 143,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,793.06 : 260,541.81 = 103,918.02 : x
  2. Step 2: Convert to fraction form
    188,793.06/260,541.81 = 103,918.02/x
  3. Step 3: Cross multiply
    188,793.06x = 260,541.81 × 103,918.02
  4. Step 4: Simplify right side
    188,793.06x = 27,074,989,022.42
  5. Step 5: Solve for x
    x = 27,074,989,022.42/188,793.06
  6. Step 6: Final answer
    x = 143,410.93

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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.