Home / 128,685.48-193,027.62-32,622.72

Finding the Fourth Proportional to 128,685.48, 193,027.62 and 32,622.72

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Solution

The fourth proportional to 128,685.48, 193,027.62 and 32,622.72 is: 48,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,685.48 : 193,027.62 = 32,622.72 : x
  2. Step 2: Convert to fraction form
    128,685.48/193,027.62 = 32,622.72/x
  3. Step 3: Cross multiply
    128,685.48x = 193,027.62 × 32,622.72
  4. Step 4: Simplify right side
    128,685.48x = 6,297,085,999.53
  5. Step 5: Solve for x
    x = 6,297,085,999.53/128,685.48
  6. Step 6: Final answer
    x = 48,933.93

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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.