Home / 164,119.12-226,265-123,108.92

Finding the Fourth Proportional to 164,119.12, 226,265 and 123,108.92

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Solution

The fourth proportional to 164,119.12, 226,265 and 123,108.92 is: 169,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,119.12 : 226,265 = 123,108.92 : x
  2. Step 2: Convert to fraction form
    164,119.12/226,265 = 123,108.92/x
  3. Step 3: Cross multiply
    164,119.12x = 226,265 × 123,108.92
  4. Step 4: Simplify right side
    164,119.12x = 27,855,239,783.80
  5. Step 5: Solve for x
    x = 27,855,239,783.80/164,119.12
  6. Step 6: Final answer
    x = 169,725.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.