Home / 211,052.66-316,544.78-77,995.58

Finding the Fourth Proportional to 211,052.66, 316,544.78 and 77,995.58

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Solution

The fourth proportional to 211,052.66, 316,544.78 and 77,995.58 is: 116,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,052.66 : 316,544.78 = 77,995.58 : x
  2. Step 2: Convert to fraction form
    211,052.66/316,544.78 = 77,995.58/x
  3. Step 3: Cross multiply
    211,052.66x = 316,544.78 × 77,995.58
  4. Step 4: Simplify right side
    211,052.66x = 24,689,093,712.07
  5. Step 5: Solve for x
    x = 24,689,093,712.07/211,052.66
  6. Step 6: Final answer
    x = 116,980.73

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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.