Home / 90,804.33-136,206.62-43,408.28

Finding the Fourth Proportional to 90,804.33, 136,206.62 and 43,408.28

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Solution

The fourth proportional to 90,804.33, 136,206.62 and 43,408.28 is: 65,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804.33 : 136,206.62 = 43,408.28 : x
  2. Step 2: Convert to fraction form
    90,804.33/136,206.62 = 43,408.28/x
  3. Step 3: Cross multiply
    90,804.33x = 136,206.62 × 43,408.28
  4. Step 4: Simplify right side
    90,804.33x = 5,912,495,385.07
  5. Step 5: Solve for x
    x = 5,912,495,385.07/90,804.33
  6. Step 6: Final answer
    x = 65,112.48

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1.5x scale

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.