Home / 90,290.95-135,362.50-34,099.16

Finding the Fourth Proportional to 90,290.95, 135,362.50 and 34,099.16

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Solution

The fourth proportional to 90,290.95, 135,362.50 and 34,099.16 is: 51,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,290.95 : 135,362.50 = 34,099.16 : x
  2. Step 2: Convert to fraction form
    90,290.95/135,362.50 = 34,099.16/x
  3. Step 3: Cross multiply
    90,290.95x = 135,362.50 × 34,099.16
  4. Step 4: Simplify right side
    90,290.95x = 4,615,746,783.44
  5. Step 5: Solve for x
    x = 4,615,746,783.44/90,290.95
  6. Step 6: Final answer
    x = 51,120.81

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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.