Home / 143,284.30-214,926.45-131,037.10

Finding the Fourth Proportional to 143,284.30, 214,926.45 and 131,037.10

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Solution

The fourth proportional to 143,284.30, 214,926.45 and 131,037.10 is: 196,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,284.30 : 214,926.45 = 131,037.10 : x
  2. Step 2: Convert to fraction form
    143,284.30/214,926.45 = 131,037.10/x
  3. Step 3: Cross multiply
    143,284.30x = 214,926.45 × 131,037.10
  4. Step 4: Simplify right side
    143,284.30x = 28,163,338,721.30
  5. Step 5: Solve for x
    x = 28,163,338,721.30/143,284.30
  6. Step 6: Final answer
    x = 196,555.65

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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.