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Finding the Fourth Proportional to 114,366.28, 157,825.44 and 64,065.28

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Solution

The fourth proportional to 114,366.28, 157,825.44 and 64,065.28 is: 88,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,366.28 : 157,825.44 = 64,065.28 : x
  2. Step 2: Convert to fraction form
    114,366.28/157,825.44 = 64,065.28/x
  3. Step 3: Cross multiply
    114,366.28x = 157,825.44 × 64,065.28
  4. Step 4: Simplify right side
    114,366.28x = 10,111,131,004.72
  5. Step 5: Solve for x
    x = 10,111,131,004.72/114,366.28
  6. Step 6: Final answer
    x = 88,410.07

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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.