Home / 250,301.33-345,416.19-135,581.21

Finding the Fourth Proportional to 250,301.33, 345,416.19 and 135,581.21

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Solution

The fourth proportional to 250,301.33, 345,416.19 and 135,581.21 is: 187,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,301.33 : 345,416.19 = 135,581.21 : x
  2. Step 2: Convert to fraction form
    250,301.33/345,416.19 = 135,581.21/x
  3. Step 3: Cross multiply
    250,301.33x = 345,416.19 × 135,581.21
  4. Step 4: Simplify right side
    250,301.33x = 46,831,944,315.88
  5. Step 5: Solve for x
    x = 46,831,944,315.88/250,301.33
  6. Step 6: Final answer
    x = 187,102.26

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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.