Home / 211,172.76-316,756.45-51,250.05

Finding the Fourth Proportional to 211,172.76, 316,756.45 and 51,250.05

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Solution

The fourth proportional to 211,172.76, 316,756.45 and 51,250.05 is: 76,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,172.76 : 316,756.45 = 51,250.05 : x
  2. Step 2: Convert to fraction form
    211,172.76/316,756.45 = 51,250.05/x
  3. Step 3: Cross multiply
    211,172.76x = 316,756.45 × 51,250.05
  4. Step 4: Simplify right side
    211,172.76x = 16,233,783,900.32
  5. Step 5: Solve for x
    x = 16,233,783,900.32/211,172.76
  6. Step 6: Final answer
    x = 76,874.42

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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.