Home / 135,823.60-203,754.81-42,336.64

Finding the Fourth Proportional to 135,823.60, 203,754.81 and 42,336.64

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Solution

The fourth proportional to 135,823.60, 203,754.81 and 42,336.64 is: 63,511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,823.60 : 203,754.81 = 42,336.64 : x
  2. Step 2: Convert to fraction form
    135,823.60/203,754.81 = 42,336.64/x
  3. Step 3: Cross multiply
    135,823.60x = 203,754.81 × 42,336.64
  4. Step 4: Simplify right side
    135,823.60x = 8,626,294,039.24
  5. Step 5: Solve for x
    x = 8,626,294,039.24/135,823.60
  6. Step 6: Final answer
    x = 63,511.01

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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.