Home / 164,968.10-247,970.55-161,857.70

Finding the Fourth Proportional to 164,968.10, 247,970.55 and 161,857.70

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Solution

The fourth proportional to 164,968.10, 247,970.55 and 161,857.70 is: 243,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,968.10 : 247,970.55 = 161,857.70 : x
  2. Step 2: Convert to fraction form
    164,968.10/247,970.55 = 161,857.70/x
  3. Step 3: Cross multiply
    164,968.10x = 247,970.55 × 161,857.70
  4. Step 4: Simplify right side
    164,968.10x = 40,135,942,890.74
  5. Step 5: Solve for x
    x = 40,135,942,890.74/164,968.10
  6. Step 6: Final answer
    x = 243,295.18

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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.