Home / 120,698.91-166,574.88-66,994.29

Finding the Fourth Proportional to 120,698.91, 166,574.88 and 66,994.29

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Solution

The fourth proportional to 120,698.91, 166,574.88 and 66,994.29 is: 92,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,698.91 : 166,574.88 = 66,994.29 : x
  2. Step 2: Convert to fraction form
    120,698.91/166,574.88 = 66,994.29/x
  3. Step 3: Cross multiply
    120,698.91x = 166,574.88 × 66,994.29
  4. Step 4: Simplify right side
    120,698.91x = 11,159,565,817.44
  5. Step 5: Solve for x
    x = 11,159,565,817.44/120,698.91
  6. Step 6: Final answer
    x = 92,457.88

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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.