Home / 254,166.92-380,984.37-85,629.01

Finding the Fourth Proportional to 254,166.92, 380,984.37 and 85,629.01

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Solution

The fourth proportional to 254,166.92, 380,984.37 and 85,629.01 is: 128,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,166.92 : 380,984.37 = 85,629.01 : x
  2. Step 2: Convert to fraction form
    254,166.92/380,984.37 = 85,629.01/x
  3. Step 3: Cross multiply
    254,166.92x = 380,984.37 × 85,629.01
  4. Step 4: Simplify right side
    254,166.92x = 32,623,314,428.57
  5. Step 5: Solve for x
    x = 32,623,314,428.57/254,166.92
  6. Step 6: Final answer
    x = 128,353.90

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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.