Home / 109,619.60-164,429.40-101,843.60

Finding the Fourth Proportional to 109,619.60, 164,429.40 and 101,843.60

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Solution

The fourth proportional to 109,619.60, 164,429.40 and 101,843.60 is: 152,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619.60 : 164,429.40 = 101,843.60 : x
  2. Step 2: Convert to fraction form
    109,619.60/164,429.40 = 101,843.60/x
  3. Step 3: Cross multiply
    109,619.60x = 164,429.40 × 101,843.60
  4. Step 4: Simplify right side
    109,619.60x = 16,746,082,041.84
  5. Step 5: Solve for x
    x = 16,746,082,041.84/109,619.60
  6. Step 6: Final answer
    x = 152,765.40

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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.