Home / 255,175.46-352,139.34-140,451.65

Finding the Fourth Proportional to 255,175.46, 352,139.34 and 140,451.65

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Solution

The fourth proportional to 255,175.46, 352,139.34 and 140,451.65 is: 193,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,175.46 : 352,139.34 = 140,451.65 : x
  2. Step 2: Convert to fraction form
    255,175.46/352,139.34 = 140,451.65/x
  3. Step 3: Cross multiply
    255,175.46x = 352,139.34 × 140,451.65
  4. Step 4: Simplify right side
    255,175.46x = 49,458,549,572.21
  5. Step 5: Solve for x
    x = 49,458,549,572.21/255,175.46
  6. Step 6: Final answer
    x = 193,821.74

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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.