Home / 255,390.63-352,441.52-140,671.86

Finding the Fourth Proportional to 255,390.63, 352,441.52 and 140,671.86

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Solution

The fourth proportional to 255,390.63, 352,441.52 and 140,671.86 is: 194,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,390.63 : 352,441.52 = 140,671.86 : x
  2. Step 2: Convert to fraction form
    255,390.63/352,441.52 = 140,671.86/x
  3. Step 3: Cross multiply
    255,390.63x = 352,441.52 × 140,671.86
  4. Step 4: Simplify right side
    255,390.63x = 49,578,604,159.63
  5. Step 5: Solve for x
    x = 49,578,604,159.63/255,390.63
  6. Step 6: Final answer
    x = 194,128.52

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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.