Home / 135,816.87-203,761.53-47,070.30

Finding the Fourth Proportional to 135,816.87, 203,761.53 and 47,070.30

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Solution

The fourth proportional to 135,816.87, 203,761.53 and 47,070.30 is: 70,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,816.87 : 203,761.53 = 47,070.30 : x
  2. Step 2: Convert to fraction form
    135,816.87/203,761.53 = 47,070.30/x
  3. Step 3: Cross multiply
    135,816.87x = 203,761.53 × 47,070.30
  4. Step 4: Simplify right side
    135,816.87x = 9,591,116,345.56
  5. Step 5: Solve for x
    x = 9,591,116,345.56/135,816.87
  6. Step 6: Final answer
    x = 70,618.00

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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.