Home / 120,727.84-166,614.96-70,443.04

Finding the Fourth Proportional to 120,727.84, 166,614.96 and 70,443.04

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Solution

The fourth proportional to 120,727.84, 166,614.96 and 70,443.04 is: 97,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,727.84 : 166,614.96 = 70,443.04 : x
  2. Step 2: Convert to fraction form
    120,727.84/166,614.96 = 70,443.04/x
  3. Step 3: Cross multiply
    120,727.84x = 166,614.96 × 70,443.04
  4. Step 4: Simplify right side
    120,727.84x = 11,736,864,291.88
  5. Step 5: Solve for x
    x = 11,736,864,291.88/120,727.84
  6. Step 6: Final answer
    x = 97,217.55

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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.