Home / 188,718.23-260,437.41-108,161.21

Finding the Fourth Proportional to 188,718.23, 260,437.41 and 108,161.21

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Solution

The fourth proportional to 188,718.23, 260,437.41 and 108,161.21 is: 149,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,718.23 : 260,437.41 = 108,161.21 : x
  2. Step 2: Convert to fraction form
    188,718.23/260,437.41 = 108,161.21/x
  3. Step 3: Cross multiply
    188,718.23x = 260,437.41 × 108,161.21
  4. Step 4: Simplify right side
    188,718.23x = 28,169,225,394.87
  5. Step 5: Solve for x
    x = 28,169,225,394.87/188,718.23
  6. Step 6: Final answer
    x = 149,266.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.