Home / 255,490.29-352,576.95-139,203.18

Finding the Fourth Proportional to 255,490.29, 352,576.95 and 139,203.18

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Solution

The fourth proportional to 255,490.29, 352,576.95 and 139,203.18 is: 192,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,490.29 : 352,576.95 = 139,203.18 : x
  2. Step 2: Convert to fraction form
    255,490.29/352,576.95 = 139,203.18/x
  3. Step 3: Cross multiply
    255,490.29x = 352,576.95 × 139,203.18
  4. Step 4: Simplify right side
    255,490.29x = 49,079,832,634.70
  5. Step 5: Solve for x
    x = 49,079,832,634.70/255,490.29
  6. Step 6: Final answer
    x = 192,100.58

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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.