Home / 109,970.26-165,779.46-102,646.51

Finding the Fourth Proportional to 109,970.26, 165,779.46 and 102,646.51

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Solution

The fourth proportional to 109,970.26, 165,779.46 and 102,646.51 is: 154,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,970.26 : 165,779.46 = 102,646.51 : x
  2. Step 2: Convert to fraction form
    109,970.26/165,779.46 = 102,646.51/x
  3. Step 3: Cross multiply
    109,970.26x = 165,779.46 × 102,646.51
  4. Step 4: Simplify right side
    109,970.26x = 17,016,682,584.24
  5. Step 5: Solve for x
    x = 17,016,682,584.24/109,970.26
  6. Step 6: Final answer
    x = 154,738.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.