Home / 89,197.28-133,805.20-30,039.52

Finding the Fourth Proportional to 89,197.28, 133,805.20 and 30,039.52

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Solution

The fourth proportional to 89,197.28, 133,805.20 and 30,039.52 is: 45,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,197.28 : 133,805.20 = 30,039.52 : x
  2. Step 2: Convert to fraction form
    89,197.28/133,805.20 = 30,039.52/x
  3. Step 3: Cross multiply
    89,197.28x = 133,805.20 × 30,039.52
  4. Step 4: Simplify right side
    89,197.28x = 4,019,443,981.50
  5. Step 5: Solve for x
    x = 4,019,443,981.50/89,197.28
  6. Step 6: Final answer
    x = 45,062.41

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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.