Home / 161,271.84-222,556.76-88,678.56

Finding the Fourth Proportional to 161,271.84, 222,556.76 and 88,678.56

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Solution

The fourth proportional to 161,271.84, 222,556.76 and 88,678.56 is: 122,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,271.84 : 222,556.76 = 88,678.56 : x
  2. Step 2: Convert to fraction form
    161,271.84/222,556.76 = 88,678.56/x
  3. Step 3: Cross multiply
    161,271.84x = 222,556.76 × 88,678.56
  4. Step 4: Simplify right side
    161,271.84x = 19,736,011,438.89
  5. Step 5: Solve for x
    x = 19,736,011,438.89/161,271.84
  6. Step 6: Final answer
    x = 122,377.30

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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.