Home / 211,270.14-316,688.94-92,919.42

Finding the Fourth Proportional to 211,270.14, 316,688.94 and 92,919.42

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Solution

The fourth proportional to 211,270.14, 316,688.94 and 92,919.42 is: 139,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,270.14 : 316,688.94 = 92,919.42 : x
  2. Step 2: Convert to fraction form
    211,270.14/316,688.94 = 92,919.42/x
  3. Step 3: Cross multiply
    211,270.14x = 316,688.94 × 92,919.42
  4. Step 4: Simplify right side
    211,270.14x = 29,426,552,625.21
  5. Step 5: Solve for x
    x = 29,426,552,625.21/211,270.14
  6. Step 6: Final answer
    x = 139,284.01

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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.