Home / 255,310.02-352,320.98-142,132.77

Finding the Fourth Proportional to 255,310.02, 352,320.98 and 142,132.77

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Solution

The fourth proportional to 255,310.02, 352,320.98 and 142,132.77 is: 196,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,310.02 : 352,320.98 = 142,132.77 : x
  2. Step 2: Convert to fraction form
    255,310.02/352,320.98 = 142,132.77/x
  3. Step 3: Cross multiply
    255,310.02x = 352,320.98 × 142,132.77
  4. Step 4: Simplify right side
    255,310.02x = 50,076,356,105.85
  5. Step 5: Solve for x
    x = 50,076,356,105.85/255,310.02
  6. Step 6: Final answer
    x = 196,139.41

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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.