Home / 109,424.36-164,150.90-42,855.84

Finding the Fourth Proportional to 109,424.36, 164,150.90 and 42,855.84

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Solution

The fourth proportional to 109,424.36, 164,150.90 and 42,855.84 is: 64,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,424.36 : 164,150.90 = 42,855.84 : x
  2. Step 2: Convert to fraction form
    109,424.36/164,150.90 = 42,855.84/x
  3. Step 3: Cross multiply
    109,424.36x = 164,150.90 × 42,855.84
  4. Step 4: Simplify right side
    109,424.36x = 7,034,824,706.26
  5. Step 5: Solve for x
    x = 7,034,824,706.26/109,424.36
  6. Step 6: Final answer
    x = 64,289.38

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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.