Home / 125,837.06-173,662.62-72,125.55

Finding the Fourth Proportional to 125,837.06, 173,662.62 and 72,125.55

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Solution

The fourth proportional to 125,837.06, 173,662.62 and 72,125.55 is: 99,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,837.06 : 173,662.62 = 72,125.55 : x
  2. Step 2: Convert to fraction form
    125,837.06/173,662.62 = 72,125.55/x
  3. Step 3: Cross multiply
    125,837.06x = 173,662.62 × 72,125.55
  4. Step 4: Simplify right side
    125,837.06x = 12,525,511,981.94
  5. Step 5: Solve for x
    x = 12,525,511,981.94/125,837.06
  6. Step 6: Final answer
    x = 99,537.54

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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.