Home / 133,342.56-199,936.08-39,823.20

Finding the Fourth Proportional to 133,342.56, 199,936.08 and 39,823.20

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Solution

The fourth proportional to 133,342.56, 199,936.08 and 39,823.20 is: 59,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,342.56 : 199,936.08 = 39,823.20 : x
  2. Step 2: Convert to fraction form
    133,342.56/199,936.08 = 39,823.20/x
  3. Step 3: Cross multiply
    133,342.56x = 199,936.08 × 39,823.20
  4. Step 4: Simplify right side
    133,342.56x = 7,962,094,501.06
  5. Step 5: Solve for x
    x = 7,962,094,501.06/133,342.56
  6. Step 6: Final answer
    x = 59,711.58

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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.