Home / 106,410.42-159,507.90-68,994.18

Finding the Fourth Proportional to 106,410.42, 159,507.90 and 68,994.18

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Solution

The fourth proportional to 106,410.42, 159,507.90 and 68,994.18 is: 103,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,410.42 : 159,507.90 = 68,994.18 : x
  2. Step 2: Convert to fraction form
    106,410.42/159,507.90 = 68,994.18/x
  3. Step 3: Cross multiply
    106,410.42x = 159,507.90 × 68,994.18
  4. Step 4: Simplify right side
    106,410.42x = 11,005,116,764.02
  5. Step 5: Solve for x
    x = 11,005,116,764.02/106,410.42
  6. Step 6: Final answer
    x = 103,421.42

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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.