Home / 259,947.23-389,946.56-108,113.13

Finding the Fourth Proportional to 259,947.23, 389,946.56 and 108,113.13

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Solution

The fourth proportional to 259,947.23, 389,946.56 and 108,113.13 is: 162,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,947.23 : 389,946.56 = 108,113.13 : x
  2. Step 2: Convert to fraction form
    259,947.23/389,946.56 = 108,113.13/x
  3. Step 3: Cross multiply
    259,947.23x = 389,946.56 × 108,113.13
  4. Step 4: Simplify right side
    259,947.23x = 42,158,342,593.77
  5. Step 5: Solve for x
    x = 42,158,342,593.77/259,947.23
  6. Step 6: Final answer
    x = 162,180.39

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1.5x scale

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.