Home / 135,817.72-203,601.86-47,009.12

Finding the Fourth Proportional to 135,817.72, 203,601.86 and 47,009.12

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Solution

The fourth proportional to 135,817.72, 203,601.86 and 47,009.12 is: 70,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,817.72 : 203,601.86 = 47,009.12 : x
  2. Step 2: Convert to fraction form
    135,817.72/203,601.86 = 47,009.12/x
  3. Step 3: Cross multiply
    135,817.72x = 203,601.86 × 47,009.12
  4. Step 4: Simplify right side
    135,817.72x = 9,571,144,656.82
  5. Step 5: Solve for x
    x = 9,571,144,656.82/135,817.72
  6. Step 6: Final answer
    x = 70,470.51

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1.5x scale

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.