Home / 115,226.94-159,013.86-64,242.89

Finding the Fourth Proportional to 115,226.94, 159,013.86 and 64,242.89

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Solution

The fourth proportional to 115,226.94, 159,013.86 and 64,242.89 is: 88,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,226.94 : 159,013.86 = 64,242.89 : x
  2. Step 2: Convert to fraction form
    115,226.94/159,013.86 = 64,242.89/x
  3. Step 3: Cross multiply
    115,226.94x = 159,013.86 × 64,242.89
  4. Step 4: Simplify right side
    115,226.94x = 10,215,509,121.39
  5. Step 5: Solve for x
    x = 10,215,509,121.39/115,226.94
  6. Step 6: Final answer
    x = 88,655.56

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1.5x scale

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.