Home / 89,199.28-133,808.20-30,041.52

Finding the Fourth Proportional to 89,199.28, 133,808.20 and 30,041.52

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Solution

The fourth proportional to 89,199.28, 133,808.20 and 30,041.52 is: 45,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,199.28 : 133,808.20 = 30,041.52 : x
  2. Step 2: Convert to fraction form
    89,199.28/133,808.20 = 30,041.52/x
  3. Step 3: Cross multiply
    89,199.28x = 133,808.20 × 30,041.52
  4. Step 4: Simplify right side
    89,199.28x = 4,019,801,716.46
  5. Step 5: Solve for x
    x = 4,019,801,716.46/89,199.28
  6. Step 6: Final answer
    x = 45,065.41

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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.