Home / 255,678.86-352,839.11-140,961.58

Finding the Fourth Proportional to 255,678.86, 352,839.11 and 140,961.58

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Solution

The fourth proportional to 255,678.86, 352,839.11 and 140,961.58 is: 194,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,678.86 : 352,839.11 = 140,961.58 : x
  2. Step 2: Convert to fraction form
    255,678.86/352,839.11 = 140,961.58/x
  3. Step 3: Cross multiply
    255,678.86x = 352,839.11 × 140,961.58
  4. Step 4: Simplify right side
    255,678.86x = 49,736,756,844.49
  5. Step 5: Solve for x
    x = 49,736,756,844.49/255,678.86
  6. Step 6: Final answer
    x = 194,528.23

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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.