Home / 106,105.56-159,157.41-42,924.95

Finding the Fourth Proportional to 106,105.56, 159,157.41 and 42,924.95

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Solution

The fourth proportional to 106,105.56, 159,157.41 and 42,924.95 is: 64,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,105.56 : 159,157.41 = 42,924.95 : x
  2. Step 2: Convert to fraction form
    106,105.56/159,157.41 = 42,924.95/x
  3. Step 3: Cross multiply
    106,105.56x = 159,157.41 × 42,924.95
  4. Step 4: Simplify right side
    106,105.56x = 6,831,823,866.38
  5. Step 5: Solve for x
    x = 6,831,823,866.38/106,105.56
  6. Step 6: Final answer
    x = 64,387.05

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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.