Home / 109,739.58-164,609.40-30,853.84

Finding the Fourth Proportional to 109,739.58, 164,609.40 and 30,853.84

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Solution

The fourth proportional to 109,739.58, 164,609.40 and 30,853.84 is: 46,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.58 : 164,609.40 = 30,853.84 : x
  2. Step 2: Convert to fraction form
    109,739.58/164,609.40 = 30,853.84/x
  3. Step 3: Cross multiply
    109,739.58x = 164,609.40 × 30,853.84
  4. Step 4: Simplify right side
    109,739.58x = 5,078,832,090.10
  5. Step 5: Solve for x
    x = 5,078,832,090.10/109,739.58
  6. Step 6: Final answer
    x = 46,280.77

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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.