Home / 128,627.04-192,945.68-35,132.52

Finding the Fourth Proportional to 128,627.04, 192,945.68 and 35,132.52

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Solution

The fourth proportional to 128,627.04, 192,945.68 and 35,132.52 is: 52,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,627.04 : 192,945.68 = 35,132.52 : x
  2. Step 2: Convert to fraction form
    128,627.04/192,945.68 = 35,132.52/x
  3. Step 3: Cross multiply
    128,627.04x = 192,945.68 × 35,132.52
  4. Step 4: Simplify right side
    128,627.04x = 6,778,667,961.51
  5. Step 5: Solve for x
    x = 6,778,667,961.51/128,627.04
  6. Step 6: Final answer
    x = 52,700.18

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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.