Home / 255,286.02-352,297.56-142,108.74

Finding the Fourth Proportional to 255,286.02, 352,297.56 and 142,108.74

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Solution

The fourth proportional to 255,286.02, 352,297.56 and 142,108.74 is: 196,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,286.02 : 352,297.56 = 142,108.74 : x
  2. Step 2: Convert to fraction form
    255,286.02/352,297.56 = 142,108.74/x
  3. Step 3: Cross multiply
    255,286.02x = 352,297.56 × 142,108.74
  4. Step 4: Simplify right side
    255,286.02x = 50,064,562,356.67
  5. Step 5: Solve for x
    x = 50,064,562,356.67/255,286.02
  6. Step 6: Final answer
    x = 196,111.65

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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.