Home / 164,638.10-247,072.35-71,210.90

Finding the Fourth Proportional to 164,638.10, 247,072.35 and 71,210.90

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Solution

The fourth proportional to 164,638.10, 247,072.35 and 71,210.90 is: 106,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,638.10 : 247,072.35 = 71,210.90 : x
  2. Step 2: Convert to fraction form
    164,638.10/247,072.35 = 71,210.90/x
  3. Step 3: Cross multiply
    164,638.10x = 247,072.35 × 71,210.90
  4. Step 4: Simplify right side
    164,638.10x = 17,594,244,408.62
  5. Step 5: Solve for x
    x = 17,594,244,408.62/164,638.10
  6. Step 6: Final answer
    x = 106,866.18

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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.