Home / 166,343.07-250,636.91-137,408.79

Finding the Fourth Proportional to 166,343.07, 250,636.91 and 137,408.79

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Solution

The fourth proportional to 166,343.07, 250,636.91 and 137,408.79 is: 207,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,343.07 : 250,636.91 = 137,408.79 : x
  2. Step 2: Convert to fraction form
    166,343.07/250,636.91 = 137,408.79/x
  3. Step 3: Cross multiply
    166,343.07x = 250,636.91 × 137,408.79
  4. Step 4: Simplify right side
    166,343.07x = 34,439,713,845.40
  5. Step 5: Solve for x
    x = 34,439,713,845.40/166,343.07
  6. Step 6: Final answer
    x = 207,040.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.