Home / 125,069.09-172,597.25-68,485.73

Finding the Fourth Proportional to 125,069.09, 172,597.25 and 68,485.73

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Solution

The fourth proportional to 125,069.09, 172,597.25 and 68,485.73 is: 94,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,069.09 : 172,597.25 = 68,485.73 : x
  2. Step 2: Convert to fraction form
    125,069.09/172,597.25 = 68,485.73/x
  3. Step 3: Cross multiply
    125,069.09x = 172,597.25 × 68,485.73
  4. Step 4: Simplify right side
    125,069.09x = 11,820,448,319.81
  5. Step 5: Solve for x
    x = 11,820,448,319.81/125,069.09
  6. Step 6: Final answer
    x = 94,511.35

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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.