Home / 140,804.85-211,181.64-56,561.61

Finding the Fourth Proportional to 140,804.85, 211,181.64 and 56,561.61

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Solution

The fourth proportional to 140,804.85, 211,181.64 and 56,561.61 is: 84,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,804.85 : 211,181.64 = 56,561.61 : x
  2. Step 2: Convert to fraction form
    140,804.85/211,181.64 = 56,561.61/x
  3. Step 3: Cross multiply
    140,804.85x = 211,181.64 × 56,561.61
  4. Step 4: Simplify right side
    140,804.85x = 11,944,773,560.84
  5. Step 5: Solve for x
    x = 11,944,773,560.84/140,804.85
  6. Step 6: Final answer
    x = 84,832.12

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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.