Home / 90,242.92-135,363.42-34,800.04

Finding the Fourth Proportional to 90,242.92, 135,363.42 and 34,800.04

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Solution

The fourth proportional to 90,242.92, 135,363.42 and 34,800.04 is: 52,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,242.92 : 135,363.42 = 34,800.04 : x
  2. Step 2: Convert to fraction form
    90,242.92/135,363.42 = 34,800.04/x
  3. Step 3: Cross multiply
    90,242.92x = 135,363.42 × 34,800.04
  4. Step 4: Simplify right side
    90,242.92x = 4,710,652,430.54
  5. Step 5: Solve for x
    x = 4,710,652,430.54/90,242.92
  6. Step 6: Final answer
    x = 52,199.69

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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.