Home / 102,183.78-153,076.38-57,675.90

Finding the Fourth Proportional to 102,183.78, 153,076.38 and 57,675.90

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Solution

The fourth proportional to 102,183.78, 153,076.38 and 57,675.90 is: 86,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,183.78 : 153,076.38 = 57,675.90 : x
  2. Step 2: Convert to fraction form
    102,183.78/153,076.38 = 57,675.90/x
  3. Step 3: Cross multiply
    102,183.78x = 153,076.38 × 57,675.90
  4. Step 4: Simplify right side
    102,183.78x = 8,828,817,985.24
  5. Step 5: Solve for x
    x = 8,828,817,985.24/102,183.78
  6. Step 6: Final answer
    x = 86,401.36

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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.