Home / 135,559.77-203,365.23-51,345.15

Finding the Fourth Proportional to 135,559.77, 203,365.23 and 51,345.15

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Solution

The fourth proportional to 135,559.77, 203,365.23 and 51,345.15 is: 77,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,559.77 : 203,365.23 = 51,345.15 : x
  2. Step 2: Convert to fraction form
    135,559.77/203,365.23 = 51,345.15/x
  3. Step 3: Cross multiply
    135,559.77x = 203,365.23 × 51,345.15
  4. Step 4: Simplify right side
    135,559.77x = 10,441,818,239.13
  5. Step 5: Solve for x
    x = 10,441,818,239.13/135,559.77
  6. Step 6: Final answer
    x = 77,027.41

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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.