Home / 115,226-159,011.92-64,926.80

Finding the Fourth Proportional to 115,226, 159,011.92 and 64,926.80

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Solution

The fourth proportional to 115,226, 159,011.92 and 64,926.80 is: 89,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,226 : 159,011.92 = 64,926.80 : x
  2. Step 2: Convert to fraction form
    115,226/159,011.92 = 64,926.80/x
  3. Step 3: Cross multiply
    115,226x = 159,011.92 × 64,926.80
  4. Step 4: Simplify right side
    115,226x = 10,324,135,127.46
  5. Step 5: Solve for x
    x = 10,324,135,127.46/115,226
  6. Step 6: Final answer
    x = 89,599.01

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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.