Home / 133,643.08-200,465.34-40,148.20

Finding the Fourth Proportional to 133,643.08, 200,465.34 and 40,148.20

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Solution

The fourth proportional to 133,643.08, 200,465.34 and 40,148.20 is: 60,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,643.08 : 200,465.34 = 40,148.20 : x
  2. Step 2: Convert to fraction form
    133,643.08/200,465.34 = 40,148.20/x
  3. Step 3: Cross multiply
    133,643.08x = 200,465.34 × 40,148.20
  4. Step 4: Simplify right side
    133,643.08x = 8,048,322,563.39
  5. Step 5: Solve for x
    x = 8,048,322,563.39/133,643.08
  6. Step 6: Final answer
    x = 60,222.52

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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.