Home / 165,420.45-247,638.60-98,826.30

Finding the Fourth Proportional to 165,420.45, 247,638.60 and 98,826.30

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Solution

The fourth proportional to 165,420.45, 247,638.60 and 98,826.30 is: 147,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,420.45 : 247,638.60 = 98,826.30 : x
  2. Step 2: Convert to fraction form
    165,420.45/247,638.60 = 98,826.30/x
  3. Step 3: Cross multiply
    165,420.45x = 247,638.60 × 98,826.30
  4. Step 4: Simplify right side
    165,420.45x = 24,473,206,575.18
  5. Step 5: Solve for x
    x = 24,473,206,575.18/165,420.45
  6. Step 6: Final answer
    x = 147,945.47

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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.