Home / 141,154.40-211,731.60-71,170.40

Finding the Fourth Proportional to 141,154.40, 211,731.60 and 71,170.40

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Solution

The fourth proportional to 141,154.40, 211,731.60 and 71,170.40 is: 106,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,154.40 : 211,731.60 = 71,170.40 : x
  2. Step 2: Convert to fraction form
    141,154.40/211,731.60 = 71,170.40/x
  3. Step 3: Cross multiply
    141,154.40x = 211,731.60 × 71,170.40
  4. Step 4: Simplify right side
    141,154.40x = 15,069,022,664.64
  5. Step 5: Solve for x
    x = 15,069,022,664.64/141,154.40
  6. Step 6: Final answer
    x = 106,755.60

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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.