Home / 188,541.42-260,187.81-103,663.86

Finding the Fourth Proportional to 188,541.42, 260,187.81 and 103,663.86

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Solution

The fourth proportional to 188,541.42, 260,187.81 and 103,663.86 is: 143,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.42 : 260,187.81 = 103,663.86 : x
  2. Step 2: Convert to fraction form
    188,541.42/260,187.81 = 103,663.86/x
  3. Step 3: Cross multiply
    188,541.42x = 260,187.81 × 103,663.86
  4. Step 4: Simplify right side
    188,541.42x = 26,972,072,709.55
  5. Step 5: Solve for x
    x = 26,972,072,709.55/188,541.42
  6. Step 6: Final answer
    x = 143,056.48

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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.