Home / 368,064.78-552,102.03-131,421.66

Finding the Fourth Proportional to 368,064.78, 552,102.03 and 131,421.66

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Solution

The fourth proportional to 368,064.78, 552,102.03 and 131,421.66 is: 197,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,064.78 : 552,102.03 = 131,421.66 : x
  2. Step 2: Convert to fraction form
    368,064.78/552,102.03 = 131,421.66/x
  3. Step 3: Cross multiply
    368,064.78x = 552,102.03 × 131,421.66
  4. Step 4: Simplify right side
    368,064.78x = 72,558,165,271.97
  5. Step 5: Solve for x
    x = 72,558,165,271.97/368,064.78
  6. Step 6: Final answer
    x = 197,134.23

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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.