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Finding the Fourth Proportional to 141,860.00, 195,780.60 and 105,987.74

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Solution

The fourth proportional to 141,860.00, 195,780.60 and 105,987.74 is: 146,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,860.00 : 195,780.60 = 105,987.74 : x
  2. Step 2: Convert to fraction form
    141,860.00/195,780.60 = 105,987.74/x
  3. Step 3: Cross multiply
    141,860.00x = 195,780.60 × 105,987.74
  4. Step 4: Simplify right side
    141,860.00x = 20,750,342,350.94
  5. Step 5: Solve for x
    x = 20,750,342,350.94/141,860.00
  6. Step 6: Final answer
    x = 146,273.39

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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.