Home / 135,573.54-203,359.28-40,803.32

Finding the Fourth Proportional to 135,573.54, 203,359.28 and 40,803.32

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Solution

The fourth proportional to 135,573.54, 203,359.28 and 40,803.32 is: 61,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,573.54 : 203,359.28 = 40,803.32 : x
  2. Step 2: Convert to fraction form
    135,573.54/203,359.28 = 40,803.32/x
  3. Step 3: Cross multiply
    135,573.54x = 203,359.28 × 40,803.32
  4. Step 4: Simplify right side
    135,573.54x = 8,297,733,776.81
  5. Step 5: Solve for x
    x = 8,297,733,776.81/135,573.54
  6. Step 6: Final answer
    x = 61,204.67

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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.