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Finding the Fourth Proportional to 115,626.84, 173,447.82 and 35,655

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Solution

The fourth proportional to 115,626.84, 173,447.82 and 35,655 is: 53,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,626.84 : 173,447.82 = 35,655 : x
  2. Step 2: Convert to fraction form
    115,626.84/173,447.82 = 35,655/x
  3. Step 3: Cross multiply
    115,626.84x = 173,447.82 × 35,655
  4. Step 4: Simplify right side
    115,626.84x = 6,184,282,022.10
  5. Step 5: Solve for x
    x = 6,184,282,022.10/115,626.84
  6. Step 6: Final answer
    x = 53,484.83

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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.