Home / 115,259.44-159,060.85-64,271.68

Finding the Fourth Proportional to 115,259.44, 159,060.85 and 64,271.68

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Solution

The fourth proportional to 115,259.44, 159,060.85 and 64,271.68 is: 88,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,259.44 : 159,060.85 = 64,271.68 : x
  2. Step 2: Convert to fraction form
    115,259.44/159,060.85 = 64,271.68/x
  3. Step 3: Cross multiply
    115,259.44x = 159,060.85 × 64,271.68
  4. Step 4: Simplify right side
    115,259.44x = 10,223,107,493.40
  5. Step 5: Solve for x
    x = 10,223,107,493.40/115,259.44
  6. Step 6: Final answer
    x = 88,696.49

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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.