Home / 135,904.10-203,856.15-47,148.35

Finding the Fourth Proportional to 135,904.10, 203,856.15 and 47,148.35

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Solution

The fourth proportional to 135,904.10, 203,856.15 and 47,148.35 is: 70,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.10 : 203,856.15 = 47,148.35 : x
  2. Step 2: Convert to fraction form
    135,904.10/203,856.15 = 47,148.35/x
  3. Step 3: Cross multiply
    135,904.10x = 203,856.15 × 47,148.35
  4. Step 4: Simplify right side
    135,904.10x = 9,611,481,109.85
  5. Step 5: Solve for x
    x = 9,611,481,109.85/135,904.10
  6. Step 6: Final answer
    x = 70,722.53

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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.