Home / 120,351.83-166,088.09-65,906.28

Finding the Fourth Proportional to 120,351.83, 166,088.09 and 65,906.28

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Solution

The fourth proportional to 120,351.83, 166,088.09 and 65,906.28 is: 90,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,351.83 : 166,088.09 = 65,906.28 : x
  2. Step 2: Convert to fraction form
    120,351.83/166,088.09 = 65,906.28/x
  3. Step 3: Cross multiply
    120,351.83x = 166,088.09 × 65,906.28
  4. Step 4: Simplify right side
    120,351.83x = 10,946,248,328.97
  5. Step 5: Solve for x
    x = 10,946,248,328.97/120,351.83
  6. Step 6: Final answer
    x = 90,952.08

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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.