Home / 145,771.20-201,091.68-98,026.56

Finding the Fourth Proportional to 145,771.20, 201,091.68 and 98,026.56

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Solution

The fourth proportional to 145,771.20, 201,091.68 and 98,026.56 is: 135,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,771.20 : 201,091.68 = 98,026.56 : x
  2. Step 2: Convert to fraction form
    145,771.20/201,091.68 = 98,026.56/x
  3. Step 3: Cross multiply
    145,771.20x = 201,091.68 × 98,026.56
  4. Step 4: Simplify right side
    145,771.20x = 19,712,325,635.02
  5. Step 5: Solve for x
    x = 19,712,325,635.02/145,771.20
  6. Step 6: Final answer
    x = 135,227.85

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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.