Home / 211,561.95-317,395.45-104,995.92

Finding the Fourth Proportional to 211,561.95, 317,395.45 and 104,995.92

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Solution

The fourth proportional to 211,561.95, 317,395.45 and 104,995.92 is: 157,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,561.95 : 317,395.45 = 104,995.92 : x
  2. Step 2: Convert to fraction form
    211,561.95/317,395.45 = 104,995.92/x
  3. Step 3: Cross multiply
    211,561.95x = 317,395.45 × 104,995.92
  4. Step 4: Simplify right side
    211,561.95x = 33,325,228,332.54
  5. Step 5: Solve for x
    x = 33,325,228,332.54/211,561.95
  6. Step 6: Final answer
    x = 157,519.95

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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.