Home / 115,529.98-159,415.60-64,536.41

Finding the Fourth Proportional to 115,529.98, 159,415.60 and 64,536.41

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Solution

The fourth proportional to 115,529.98, 159,415.60 and 64,536.41 is: 89,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,529.98 : 159,415.60 = 64,536.41 : x
  2. Step 2: Convert to fraction form
    115,529.98/159,415.60 = 64,536.41/x
  3. Step 3: Cross multiply
    115,529.98x = 159,415.60 × 64,536.41
  4. Step 4: Simplify right side
    115,529.98x = 10,288,109,983.49
  5. Step 5: Solve for x
    x = 10,288,109,983.49/115,529.98
  6. Step 6: Final answer
    x = 89,051.43

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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.