Home / 139,410.14-208,997.66-60,464.94

Finding the Fourth Proportional to 139,410.14, 208,997.66 and 60,464.94

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Solution

The fourth proportional to 139,410.14, 208,997.66 and 60,464.94 is: 90,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,410.14 : 208,997.66 = 60,464.94 : x
  2. Step 2: Convert to fraction form
    139,410.14/208,997.66 = 60,464.94/x
  3. Step 3: Cross multiply
    139,410.14x = 208,997.66 × 60,464.94
  4. Step 4: Simplify right side
    139,410.14x = 12,637,030,972.04
  5. Step 5: Solve for x
    x = 12,637,030,972.04/139,410.14
  6. Step 6: Final answer
    x = 90,646.43

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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.