Home / 124,147.22-171,163.05-90,204.98

Finding the Fourth Proportional to 124,147.22, 171,163.05 and 90,204.98

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Solution

The fourth proportional to 124,147.22, 171,163.05 and 90,204.98 is: 124,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,147.22 : 171,163.05 = 90,204.98 : x
  2. Step 2: Convert to fraction form
    124,147.22/171,163.05 = 90,204.98/x
  3. Step 3: Cross multiply
    124,147.22x = 171,163.05 × 90,204.98
  4. Step 4: Simplify right side
    124,147.22x = 15,439,759,501.99
  5. Step 5: Solve for x
    x = 15,439,759,501.99/124,147.22
  6. Step 6: Final answer
    x = 124,366.53

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1.5x scale

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.