Home / 160,327.85-221,249.01-87,730.44

Finding the Fourth Proportional to 160,327.85, 221,249.01 and 87,730.44

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Solution

The fourth proportional to 160,327.85, 221,249.01 and 87,730.44 is: 121,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,327.85 : 221,249.01 = 87,730.44 : x
  2. Step 2: Convert to fraction form
    160,327.85/221,249.01 = 87,730.44/x
  3. Step 3: Cross multiply
    160,327.85x = 221,249.01 × 87,730.44
  4. Step 4: Simplify right side
    160,327.85x = 19,410,272,996.86
  5. Step 5: Solve for x
    x = 19,410,272,996.86/160,327.85
  6. Step 6: Final answer
    x = 121,066.13

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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.