Home / 201,515.48-278,091.33-110,869.46

Finding the Fourth Proportional to 201,515.48, 278,091.33 and 110,869.46

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Solution

The fourth proportional to 201,515.48, 278,091.33 and 110,869.46 is: 152,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,515.48 : 278,091.33 = 110,869.46 : x
  2. Step 2: Convert to fraction form
    201,515.48/278,091.33 = 110,869.46/x
  3. Step 3: Cross multiply
    201,515.48x = 278,091.33 × 110,869.46
  4. Step 4: Simplify right side
    201,515.48x = 30,831,835,587.78
  5. Step 5: Solve for x
    x = 30,831,835,587.78/201,515.48
  6. Step 6: Final answer
    x = 152,999.84

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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.