Home / 90,099.95-135,217.25-33,995.39

Finding the Fourth Proportional to 90,099.95, 135,217.25 and 33,995.39

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Solution

The fourth proportional to 90,099.95, 135,217.25 and 33,995.39 is: 51,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,099.95 : 135,217.25 = 33,995.39 : x
  2. Step 2: Convert to fraction form
    90,099.95/135,217.25 = 33,995.39/x
  3. Step 3: Cross multiply
    90,099.95x = 135,217.25 × 33,995.39
  4. Step 4: Simplify right side
    90,099.95x = 4,596,763,148.48
  5. Step 5: Solve for x
    x = 4,596,763,148.48/90,099.95
  6. Step 6: Final answer
    x = 51,018.49

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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.