Home / 89,181.35-133,792.61-30,015.57

Finding the Fourth Proportional to 89,181.35, 133,792.61 and 30,015.57

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Solution

The fourth proportional to 89,181.35, 133,792.61 and 30,015.57 is: 45,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,181.35 : 133,792.61 = 30,015.57 : x
  2. Step 2: Convert to fraction form
    89,181.35/133,792.61 = 30,015.57/x
  3. Step 3: Cross multiply
    89,181.35x = 133,792.61 × 30,015.57
  4. Step 4: Simplify right side
    89,181.35x = 4,015,861,300.86
  5. Step 5: Solve for x
    x = 4,015,861,300.86/89,181.35
  6. Step 6: Final answer
    x = 45,030.28

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1.5x scale

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.