Home / 145,896.15-218,844.25-112,664.69

Finding the Fourth Proportional to 145,896.15, 218,844.25 and 112,664.69

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Solution

The fourth proportional to 145,896.15, 218,844.25 and 112,664.69 is: 168,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,896.15 : 218,844.25 = 112,664.69 : x
  2. Step 2: Convert to fraction form
    145,896.15/218,844.25 = 112,664.69/x
  3. Step 3: Cross multiply
    145,896.15x = 218,844.25 × 112,664.69
  4. Step 4: Simplify right side
    145,896.15x = 24,656,019,029.32
  5. Step 5: Solve for x
    x = 24,656,019,029.32/145,896.15
  6. Step 6: Final answer
    x = 168,997.05

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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.