Home / 211,127.76-316,737.72-70,882.68

Finding the Fourth Proportional to 211,127.76, 316,737.72 and 70,882.68

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Solution

The fourth proportional to 211,127.76, 316,737.72 and 70,882.68 is: 106,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,127.76 : 316,737.72 = 70,882.68 : x
  2. Step 2: Convert to fraction form
    211,127.76/316,737.72 = 70,882.68/x
  3. Step 3: Cross multiply
    211,127.76x = 316,737.72 × 70,882.68
  4. Step 4: Simplify right side
    211,127.76x = 22,451,218,450.69
  5. Step 5: Solve for x
    x = 22,451,218,450.69/211,127.76
  6. Step 6: Final answer
    x = 106,339.49

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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.