Home / 120,399.33-166,088.09-74,444.29

Finding the Fourth Proportional to 120,399.33, 166,088.09 and 74,444.29

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Solution

The fourth proportional to 120,399.33, 166,088.09 and 74,444.29 is: 102,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,399.33 : 166,088.09 = 74,444.29 : x
  2. Step 2: Convert to fraction form
    120,399.33/166,088.09 = 74,444.29/x
  3. Step 3: Cross multiply
    120,399.33x = 166,088.09 × 74,444.29
  4. Step 4: Simplify right side
    120,399.33x = 12,364,308,874.43
  5. Step 5: Solve for x
    x = 12,364,308,874.43/120,399.33
  6. Step 6: Final answer
    x = 102,694.16

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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.