Home / 130,858.39-196,283.40-54,997.12

Finding the Fourth Proportional to 130,858.39, 196,283.40 and 54,997.12

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Solution

The fourth proportional to 130,858.39, 196,283.40 and 54,997.12 is: 82,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,858.39 : 196,283.40 = 54,997.12 : x
  2. Step 2: Convert to fraction form
    130,858.39/196,283.40 = 54,997.12/x
  3. Step 3: Cross multiply
    130,858.39x = 196,283.40 × 54,997.12
  4. Step 4: Simplify right side
    130,858.39x = 10,795,021,703.81
  5. Step 5: Solve for x
    x = 10,795,021,703.81/130,858.39
  6. Step 6: Final answer
    x = 82,493.92

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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.