Home / 135,670.26-203,507.10-51,407.76

Finding the Fourth Proportional to 135,670.26, 203,507.10 and 51,407.76

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Solution

The fourth proportional to 135,670.26, 203,507.10 and 51,407.76 is: 77,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,670.26 : 203,507.10 = 51,407.76 : x
  2. Step 2: Convert to fraction form
    135,670.26/203,507.10 = 51,407.76/x
  3. Step 3: Cross multiply
    135,670.26x = 203,507.10 × 51,407.76
  4. Step 4: Simplify right side
    135,670.26x = 10,461,844,155.10
  5. Step 5: Solve for x
    x = 10,461,844,155.10/135,670.26
  6. Step 6: Final answer
    x = 77,112.29

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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.