Home / 122,018.72-182,985.20-36,604.11

Finding the Fourth Proportional to 122,018.72, 182,985.20 and 36,604.11

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Solution

The fourth proportional to 122,018.72, 182,985.20 and 36,604.11 is: 54,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,018.72 : 182,985.20 = 36,604.11 : x
  2. Step 2: Convert to fraction form
    122,018.72/182,985.20 = 36,604.11/x
  3. Step 3: Cross multiply
    122,018.72x = 182,985.20 × 36,604.11
  4. Step 4: Simplify right side
    122,018.72x = 6,698,010,389.17
  5. Step 5: Solve for x
    x = 6,698,010,389.17/122,018.72
  6. Step 6: Final answer
    x = 54,893.30

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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.