Home / 255,107.09-352,051.02-140,398.94

Finding the Fourth Proportional to 255,107.09, 352,051.02 and 140,398.94

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Solution

The fourth proportional to 255,107.09, 352,051.02 and 140,398.94 is: 193,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,107.09 : 352,051.02 = 140,398.94 : x
  2. Step 2: Convert to fraction form
    255,107.09/352,051.02 = 140,398.94/x
  3. Step 3: Cross multiply
    255,107.09x = 352,051.02 × 140,398.94
  4. Step 4: Simplify right side
    255,107.09x = 49,427,587,571.67
  5. Step 5: Solve for x
    x = 49,427,587,571.67/255,107.09
  6. Step 6: Final answer
    x = 193,752.31

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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.