Home / 177,243.64-244,646.81-100,803.94

Finding the Fourth Proportional to 177,243.64, 244,646.81 and 100,803.94

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Solution

The fourth proportional to 177,243.64, 244,646.81 and 100,803.94 is: 139,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,243.64 : 244,646.81 = 100,803.94 : x
  2. Step 2: Convert to fraction form
    177,243.64/244,646.81 = 100,803.94/x
  3. Step 3: Cross multiply
    177,243.64x = 244,646.81 × 100,803.94
  4. Step 4: Simplify right side
    177,243.64x = 24,661,362,356.43
  5. Step 5: Solve for x
    x = 24,661,362,356.43/177,243.64
  6. Step 6: Final answer
    x = 139,138.21

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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.