Home / 102,921.08-154,523.30-52,354.34

Finding the Fourth Proportional to 102,921.08, 154,523.30 and 52,354.34

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Solution

The fourth proportional to 102,921.08, 154,523.30 and 52,354.34 is: 78,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,921.08 : 154,523.30 = 52,354.34 : x
  2. Step 2: Convert to fraction form
    102,921.08/154,523.30 = 52,354.34/x
  3. Step 3: Cross multiply
    102,921.08x = 154,523.30 × 52,354.34
  4. Step 4: Simplify right side
    102,921.08x = 8,089,965,124.35
  5. Step 5: Solve for x
    x = 8,089,965,124.35/102,921.08
  6. Step 6: Final answer
    x = 78,603.58

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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.