Home / 170,137.00-255,186.06-45,487.72

Finding the Fourth Proportional to 170,137.00, 255,186.06 and 45,487.72

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Solution

The fourth proportional to 170,137.00, 255,186.06 and 45,487.72 is: 68,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,137.00 : 255,186.06 = 45,487.72 : x
  2. Step 2: Convert to fraction form
    170,137.00/255,186.06 = 45,487.72/x
  3. Step 3: Cross multiply
    170,137.00x = 255,186.06 × 45,487.72
  4. Step 4: Simplify right side
    170,137.00x = 11,607,832,449.46
  5. Step 5: Solve for x
    x = 11,607,832,449.46/170,137.00
  6. Step 6: Final answer
    x = 68,226.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.