Home / 89,189.22-133,804.31-30,023.31

Finding the Fourth Proportional to 89,189.22, 133,804.31 and 30,023.31

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Solution

The fourth proportional to 89,189.22, 133,804.31 and 30,023.31 is: 45,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,189.22 : 133,804.31 = 30,023.31 : x
  2. Step 2: Convert to fraction form
    89,189.22/133,804.31 = 30,023.31/x
  3. Step 3: Cross multiply
    89,189.22x = 133,804.31 × 30,023.31
  4. Step 4: Simplify right side
    89,189.22x = 4,017,248,128.35
  5. Step 5: Solve for x
    x = 4,017,248,128.35/89,189.22
  6. Step 6: Final answer
    x = 45,041.86

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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.