Home / 170,173.31-234,824.81-100,311.48

Finding the Fourth Proportional to 170,173.31, 234,824.81 and 100,311.48

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Solution

The fourth proportional to 170,173.31, 234,824.81 and 100,311.48 is: 138,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,173.31 : 234,824.81 = 100,311.48 : x
  2. Step 2: Convert to fraction form
    170,173.31/234,824.81 = 100,311.48/x
  3. Step 3: Cross multiply
    170,173.31x = 234,824.81 × 100,311.48
  4. Step 4: Simplify right side
    170,173.31x = 23,555,623,730.26
  5. Step 5: Solve for x
    x = 23,555,623,730.26/170,173.31
  6. Step 6: Final answer
    x = 138,421.38

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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.