Home / 134,212.79-201,171.56-55,283.96

Finding the Fourth Proportional to 134,212.79, 201,171.56 and 55,283.96

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Solution

The fourth proportional to 134,212.79, 201,171.56 and 55,283.96 is: 82,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,212.79 : 201,171.56 = 55,283.96 : x
  2. Step 2: Convert to fraction form
    134,212.79/201,171.56 = 55,283.96/x
  3. Step 3: Cross multiply
    134,212.79x = 201,171.56 × 55,283.96
  4. Step 4: Simplify right side
    134,212.79x = 11,121,559,904.14
  5. Step 5: Solve for x
    x = 11,121,559,904.14/134,212.79
  6. Step 6: Final answer
    x = 82,865.13

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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.