Home / 125,485.68-173,120.85-71,741.82

Finding the Fourth Proportional to 125,485.68, 173,120.85 and 71,741.82

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Solution

The fourth proportional to 125,485.68, 173,120.85 and 71,741.82 is: 98,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,485.68 : 173,120.85 = 71,741.82 : x
  2. Step 2: Convert to fraction form
    125,485.68/173,120.85 = 71,741.82/x
  3. Step 3: Cross multiply
    125,485.68x = 173,120.85 × 71,741.82
  4. Step 4: Simplify right side
    125,485.68x = 12,420,004,858.95
  5. Step 5: Solve for x
    x = 12,420,004,858.95/125,485.68
  6. Step 6: Final answer
    x = 98,975.48

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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.