Home / 255,206.90-352,182.05-142,029.66

Finding the Fourth Proportional to 255,206.90, 352,182.05 and 142,029.66

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Solution

The fourth proportional to 255,206.90, 352,182.05 and 142,029.66 is: 195,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,206.90 : 352,182.05 = 142,029.66 : x
  2. Step 2: Convert to fraction form
    255,206.90/352,182.05 = 142,029.66/x
  3. Step 3: Cross multiply
    255,206.90x = 352,182.05 × 142,029.66
  4. Step 4: Simplify right side
    255,206.90x = 50,020,296,819.60
  5. Step 5: Solve for x
    x = 50,020,296,819.60/255,206.90
  6. Step 6: Final answer
    x = 195,999.00

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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.