Home / 169,904.34-234,122.48-131,430.21

Finding the Fourth Proportional to 169,904.34, 234,122.48 and 131,430.21

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Solution

The fourth proportional to 169,904.34, 234,122.48 and 131,430.21 is: 181,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,904.34 : 234,122.48 = 131,430.21 : x
  2. Step 2: Convert to fraction form
    169,904.34/234,122.48 = 131,430.21/x
  3. Step 3: Cross multiply
    169,904.34x = 234,122.48 × 131,430.21
  4. Step 4: Simplify right side
    169,904.34x = 30,770,766,054.97
  5. Step 5: Solve for x
    x = 30,770,766,054.97/169,904.34
  6. Step 6: Final answer
    x = 181,106.42

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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.