Home / 141,255.60-211,815.72-47,730.48

Finding the Fourth Proportional to 141,255.60, 211,815.72 and 47,730.48

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Solution

The fourth proportional to 141,255.60, 211,815.72 and 47,730.48 is: 71,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,255.60 : 211,815.72 = 47,730.48 : x
  2. Step 2: Convert to fraction form
    141,255.60/211,815.72 = 47,730.48/x
  3. Step 3: Cross multiply
    141,255.60x = 211,815.72 × 47,730.48
  4. Step 4: Simplify right side
    141,255.60x = 10,110,065,987.15
  5. Step 5: Solve for x
    x = 10,110,065,987.15/141,255.60
  6. Step 6: Final answer
    x = 71,572.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.