Home / 115,258.49-159,057.22-64,271.06

Finding the Fourth Proportional to 115,258.49, 159,057.22 and 64,271.06

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Solution

The fourth proportional to 115,258.49, 159,057.22 and 64,271.06 is: 88,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,258.49 : 159,057.22 = 64,271.06 : x
  2. Step 2: Convert to fraction form
    115,258.49/159,057.22 = 64,271.06/x
  3. Step 3: Cross multiply
    115,258.49x = 159,057.22 × 64,271.06
  4. Step 4: Simplify right side
    115,258.49x = 10,222,776,272.33
  5. Step 5: Solve for x
    x = 10,222,776,272.33/115,258.49
  6. Step 6: Final answer
    x = 88,694.35

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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.