Home / 102,098.20-153,147.30-73,885.90

Finding the Fourth Proportional to 102,098.20, 153,147.30 and 73,885.90

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Solution

The fourth proportional to 102,098.20, 153,147.30 and 73,885.90 is: 110,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,098.20 : 153,147.30 = 73,885.90 : x
  2. Step 2: Convert to fraction form
    102,098.20/153,147.30 = 73,885.90/x
  3. Step 3: Cross multiply
    102,098.20x = 153,147.30 × 73,885.90
  4. Step 4: Simplify right side
    102,098.20x = 11,315,426,093.07
  5. Step 5: Solve for x
    x = 11,315,426,093.07/102,098.20
  6. Step 6: Final answer
    x = 110,828.85

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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.