Home / 170,802.10-256,241.55-100,645.30

Finding the Fourth Proportional to 170,802.10, 256,241.55 and 100,645.30

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Solution

The fourth proportional to 170,802.10, 256,241.55 and 100,645.30 is: 150,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,802.10 : 256,241.55 = 100,645.30 : x
  2. Step 2: Convert to fraction form
    170,802.10/256,241.55 = 100,645.30/x
  3. Step 3: Cross multiply
    170,802.10x = 256,241.55 × 100,645.30
  4. Step 4: Simplify right side
    170,802.10x = 25,789,507,672.22
  5. Step 5: Solve for x
    x = 25,789,507,672.22/170,802.10
  6. Step 6: Final answer
    x = 150,990.58

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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.