Home / 248,426.46-342,830.16-140,998.30

Finding the Fourth Proportional to 248,426.46, 342,830.16 and 140,998.30

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Solution

The fourth proportional to 248,426.46, 342,830.16 and 140,998.30 is: 194,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,426.46 : 342,830.16 = 140,998.30 : x
  2. Step 2: Convert to fraction form
    248,426.46/342,830.16 = 140,998.30/x
  3. Step 3: Cross multiply
    248,426.46x = 342,830.16 × 140,998.30
  4. Step 4: Simplify right side
    248,426.46x = 48,338,468,891.65
  5. Step 5: Solve for x
    x = 48,338,468,891.65/248,426.46
  6. Step 6: Final answer
    x = 194,578.58

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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.