Home / 255,362.72-352,397.22-140,639.18

Finding the Fourth Proportional to 255,362.72, 352,397.22 and 140,639.18

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Solution

The fourth proportional to 255,362.72, 352,397.22 and 140,639.18 is: 194,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,362.72 : 352,397.22 = 140,639.18 : x
  2. Step 2: Convert to fraction form
    255,362.72/352,397.22 = 140,639.18/x
  3. Step 3: Cross multiply
    255,362.72x = 352,397.22 × 140,639.18
  4. Step 4: Simplify right side
    255,362.72x = 49,560,854,293.09
  5. Step 5: Solve for x
    x = 49,560,854,293.09/255,362.72
  6. Step 6: Final answer
    x = 194,080.23

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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.