Home / 115,277.04-159,076.62-64,295.28

Finding the Fourth Proportional to 115,277.04, 159,076.62 and 64,295.28

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Solution

The fourth proportional to 115,277.04, 159,076.62 and 64,295.28 is: 88,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,277.04 : 159,076.62 = 64,295.28 : x
  2. Step 2: Convert to fraction form
    115,277.04/159,076.62 = 64,295.28/x
  3. Step 3: Cross multiply
    115,277.04x = 159,076.62 × 64,295.28
  4. Step 4: Simplify right side
    115,277.04x = 10,227,875,824.35
  5. Step 5: Solve for x
    x = 10,227,875,824.35/115,277.04
  6. Step 6: Final answer
    x = 88,724.31

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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.