Home / 120,964.44-181,450.76-42,079.35

Finding the Fourth Proportional to 120,964.44, 181,450.76 and 42,079.35

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Solution

The fourth proportional to 120,964.44, 181,450.76 and 42,079.35 is: 63,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964.44 : 181,450.76 = 42,079.35 : x
  2. Step 2: Convert to fraction form
    120,964.44/181,450.76 = 42,079.35/x
  3. Step 3: Cross multiply
    120,964.44x = 181,450.76 × 42,079.35
  4. Step 4: Simplify right side
    120,964.44x = 7,635,329,827.41
  5. Step 5: Solve for x
    x = 7,635,329,827.41/120,964.44
  6. Step 6: Final answer
    x = 63,120.45

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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.