Home / 165,605.92-248,411.04-72,108.16

Finding the Fourth Proportional to 165,605.92, 248,411.04 and 72,108.16

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Solution

The fourth proportional to 165,605.92, 248,411.04 and 72,108.16 is: 108,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,605.92 : 248,411.04 = 72,108.16 : x
  2. Step 2: Convert to fraction form
    165,605.92/248,411.04 = 72,108.16/x
  3. Step 3: Cross multiply
    165,605.92x = 248,411.04 × 72,108.16
  4. Step 4: Simplify right side
    165,605.92x = 17,912,463,018.09
  5. Step 5: Solve for x
    x = 17,912,463,018.09/165,605.92
  6. Step 6: Final answer
    x = 108,163.18

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1.5x scale

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.