Home / 213,087.03-294,170.66-155,661.87

Finding the Fourth Proportional to 213,087.03, 294,170.66 and 155,661.87

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Solution

The fourth proportional to 213,087.03, 294,170.66 and 155,661.87 is: 214,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,087.03 : 294,170.66 = 155,661.87 : x
  2. Step 2: Convert to fraction form
    213,087.03/294,170.66 = 155,661.87/x
  3. Step 3: Cross multiply
    213,087.03x = 294,170.66 × 155,661.87
  4. Step 4: Simplify right side
    213,087.03x = 45,791,154,104.73
  5. Step 5: Solve for x
    x = 45,791,154,104.73/213,087.03
  6. Step 6: Final answer
    x = 214,894.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.