Home / 109,445.90-164,139.66-30,546.26

Finding the Fourth Proportional to 109,445.90, 164,139.66 and 30,546.26

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Solution

The fourth proportional to 109,445.90, 164,139.66 and 30,546.26 is: 45,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,445.90 : 164,139.66 = 30,546.26 : x
  2. Step 2: Convert to fraction form
    109,445.90/164,139.66 = 30,546.26/x
  3. Step 3: Cross multiply
    109,445.90x = 164,139.66 × 30,546.26
  4. Step 4: Simplify right side
    109,445.90x = 5,013,852,730.67
  5. Step 5: Solve for x
    x = 5,013,852,730.67/109,445.90
  6. Step 6: Final answer
    x = 45,811.24

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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.