Home / 135,411.09-203,135.54-56,507.24

Finding the Fourth Proportional to 135,411.09, 203,135.54 and 56,507.24

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Solution

The fourth proportional to 135,411.09, 203,135.54 and 56,507.24 is: 84,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,411.09 : 203,135.54 = 56,507.24 : x
  2. Step 2: Convert to fraction form
    135,411.09/203,135.54 = 56,507.24/x
  3. Step 3: Cross multiply
    135,411.09x = 203,135.54 × 56,507.24
  4. Step 4: Simplify right side
    135,411.09x = 11,478,627,413.10
  5. Step 5: Solve for x
    x = 11,478,627,413.10/135,411.09
  6. Step 6: Final answer
    x = 84,768.74

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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.