Home / 115,274.31-159,054.49-69,976.14

Finding the Fourth Proportional to 115,274.31, 159,054.49 and 69,976.14

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Solution

The fourth proportional to 115,274.31, 159,054.49 and 69,976.14 is: 96,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,274.31 : 159,054.49 = 69,976.14 : x
  2. Step 2: Convert to fraction form
    115,274.31/159,054.49 = 69,976.14/x
  3. Step 3: Cross multiply
    115,274.31x = 159,054.49 × 69,976.14
  4. Step 4: Simplify right side
    115,274.31x = 11,130,018,357.27
  5. Step 5: Solve for x
    x = 11,130,018,357.27/115,274.31
  6. Step 6: Final answer
    x = 96,552.46

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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.