Home / 131,619.39-197,412.07-52,734.30

Finding the Fourth Proportional to 131,619.39, 197,412.07 and 52,734.30

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Solution

The fourth proportional to 131,619.39, 197,412.07 and 52,734.30 is: 79,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,619.39 : 197,412.07 = 52,734.30 : x
  2. Step 2: Convert to fraction form
    131,619.39/197,412.07 = 52,734.30/x
  3. Step 3: Cross multiply
    131,619.39x = 197,412.07 × 52,734.30
  4. Step 4: Simplify right side
    131,619.39x = 10,410,387,323.00
  5. Step 5: Solve for x
    x = 10,410,387,323.00/131,619.39
  6. Step 6: Final answer
    x = 79,094.63

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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.