Home / 136,486.56-204,632.90-52,175.68

Finding the Fourth Proportional to 136,486.56, 204,632.90 and 52,175.68

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Solution

The fourth proportional to 136,486.56, 204,632.90 and 52,175.68 is: 78,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,486.56 : 204,632.90 = 52,175.68 : x
  2. Step 2: Convert to fraction form
    136,486.56/204,632.90 = 52,175.68/x
  3. Step 3: Cross multiply
    136,486.56x = 204,632.90 × 52,175.68
  4. Step 4: Simplify right side
    136,486.56x = 10,676,860,707.87
  5. Step 5: Solve for x
    x = 10,676,860,707.87/136,486.56
  6. Step 6: Final answer
    x = 78,226.46

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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.