Home / 141,087.40-211,631.10-131,756.20

Finding the Fourth Proportional to 141,087.40, 211,631.10 and 131,756.20

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Solution

The fourth proportional to 141,087.40, 211,631.10 and 131,756.20 is: 197,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,087.40 : 211,631.10 = 131,756.20 : x
  2. Step 2: Convert to fraction form
    141,087.40/211,631.10 = 131,756.20/x
  3. Step 3: Cross multiply
    141,087.40x = 211,631.10 × 131,756.20
  4. Step 4: Simplify right side
    141,087.40x = 27,883,709,537.82
  5. Step 5: Solve for x
    x = 27,883,709,537.82/141,087.40
  6. Step 6: Final answer
    x = 197,634.30

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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.