Home / 120,020.41-179,904.24-40,036.96

Finding the Fourth Proportional to 120,020.41, 179,904.24 and 40,036.96

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Solution

The fourth proportional to 120,020.41, 179,904.24 and 40,036.96 is: 60,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,020.41 : 179,904.24 = 40,036.96 : x
  2. Step 2: Convert to fraction form
    120,020.41/179,904.24 = 40,036.96/x
  3. Step 3: Cross multiply
    120,020.41x = 179,904.24 × 40,036.96
  4. Step 4: Simplify right side
    120,020.41x = 7,202,817,961.19
  5. Step 5: Solve for x
    x = 7,202,817,961.19/120,020.41
  6. Step 6: Final answer
    x = 60,013.28

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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.