Home / 152,072.24-209,852.78-87,538.73

Finding the Fourth Proportional to 152,072.24, 209,852.78 and 87,538.73

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Solution

The fourth proportional to 152,072.24, 209,852.78 and 87,538.73 is: 120,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,072.24 : 209,852.78 = 87,538.73 : x
  2. Step 2: Convert to fraction form
    152,072.24/209,852.78 = 87,538.73/x
  3. Step 3: Cross multiply
    152,072.24x = 209,852.78 × 87,538.73
  4. Step 4: Simplify right side
    152,072.24x = 18,370,244,361.21
  5. Step 5: Solve for x
    x = 18,370,244,361.21/152,072.24
  6. Step 6: Final answer
    x = 120,799.46

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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.