Home / 371,161.93-556,738.04-90,681.61

Finding the Fourth Proportional to 371,161.93, 556,738.04 and 90,681.61

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Solution

The fourth proportional to 371,161.93, 556,738.04 and 90,681.61 is: 136,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,161.93 : 556,738.04 = 90,681.61 : x
  2. Step 2: Convert to fraction form
    371,161.93/556,738.04 = 90,681.61/x
  3. Step 3: Cross multiply
    371,161.93x = 556,738.04 × 90,681.61
  4. Step 4: Simplify right side
    371,161.93x = 50,485,901,815.44
  5. Step 5: Solve for x
    x = 50,485,901,815.44/371,161.93
  6. Step 6: Final answer
    x = 136,021.23

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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.