Home / 90,600.48-135,290.55-73,993.46

Finding the Fourth Proportional to 90,600.48, 135,290.55 and 73,993.46

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Solution

The fourth proportional to 90,600.48, 135,290.55 and 73,993.46 is: 110,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,600.48 : 135,290.55 = 73,993.46 : x
  2. Step 2: Convert to fraction form
    90,600.48/135,290.55 = 73,993.46/x
  3. Step 3: Cross multiply
    90,600.48x = 135,290.55 × 73,993.46
  4. Step 4: Simplify right side
    90,600.48x = 10,010,615,223.35
  5. Step 5: Solve for x
    x = 10,010,615,223.35/90,600.48
  6. Step 6: Final answer
    x = 110,491.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.