Home / 141,153.60-211,730.40-130,218.60

Finding the Fourth Proportional to 141,153.60, 211,730.40 and 130,218.60

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Solution

The fourth proportional to 141,153.60, 211,730.40 and 130,218.60 is: 195,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,153.60 : 211,730.40 = 130,218.60 : x
  2. Step 2: Convert to fraction form
    141,153.60/211,730.40 = 130,218.60/x
  3. Step 3: Cross multiply
    141,153.60x = 211,730.40 × 130,218.60
  4. Step 4: Simplify right side
    141,153.60x = 27,571,236,265.44
  5. Step 5: Solve for x
    x = 27,571,236,265.44/141,153.60
  6. Step 6: Final answer
    x = 195,327.90

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1.5x scale

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.