Home / 161,340.31-241,622.88-90,087.85

Finding the Fourth Proportional to 161,340.31, 241,622.88 and 90,087.85

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Solution

The fourth proportional to 161,340.31, 241,622.88 and 90,087.85 is: 134,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,340.31 : 241,622.88 = 90,087.85 : x
  2. Step 2: Convert to fraction form
    161,340.31/241,622.88 = 90,087.85/x
  3. Step 3: Cross multiply
    161,340.31x = 241,622.88 × 90,087.85
  4. Step 4: Simplify right side
    161,340.31x = 21,767,285,770.01
  5. Step 5: Solve for x
    x = 21,767,285,770.01/161,340.31
  6. Step 6: Final answer
    x = 134,915.36

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1.5x scale

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.