Home / 141,280.20-211,788.54-47,720.52

Finding the Fourth Proportional to 141,280.20, 211,788.54 and 47,720.52

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Solution

The fourth proportional to 141,280.20, 211,788.54 and 47,720.52 is: 71,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,280.20 : 211,788.54 = 47,720.52 : x
  2. Step 2: Convert to fraction form
    141,280.20/211,788.54 = 47,720.52/x
  3. Step 3: Cross multiply
    141,280.20x = 211,788.54 × 47,720.52
  4. Step 4: Simplify right side
    141,280.20x = 10,106,659,258.84
  5. Step 5: Solve for x
    x = 10,106,659,258.84/141,280.20
  6. Step 6: Final answer
    x = 71,536.28

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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.