Home / 161,271.59-222,556.41-88,678.31

Finding the Fourth Proportional to 161,271.59, 222,556.41 and 88,678.31

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Solution

The fourth proportional to 161,271.59, 222,556.41 and 88,678.31 is: 122,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,271.59 : 222,556.41 = 88,678.31 : x
  2. Step 2: Convert to fraction form
    161,271.59/222,556.41 = 88,678.31/x
  3. Step 3: Cross multiply
    161,271.59x = 222,556.41 × 88,678.31
  4. Step 4: Simplify right side
    161,271.59x = 19,735,925,205.69
  5. Step 5: Solve for x
    x = 19,735,925,205.69/161,271.59
  6. Step 6: Final answer
    x = 122,376.95

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1.5x scale

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.