Home / 145,532.41-200,804.43-85,091.32

Finding the Fourth Proportional to 145,532.41, 200,804.43 and 85,091.32

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Solution

The fourth proportional to 145,532.41, 200,804.43 and 85,091.32 is: 117,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,532.41 : 200,804.43 = 85,091.32 : x
  2. Step 2: Convert to fraction form
    145,532.41/200,804.43 = 85,091.32/x
  3. Step 3: Cross multiply
    145,532.41x = 200,804.43 × 85,091.32
  4. Step 4: Simplify right side
    145,532.41x = 17,086,714,010.55
  5. Step 5: Solve for x
    x = 17,086,714,010.55/145,532.41
  6. Step 6: Final answer
    x = 117,408.31

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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.