Home / 124,999.58-187,408.93-74,278.38

Finding the Fourth Proportional to 124,999.58, 187,408.93 and 74,278.38

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Solution

The fourth proportional to 124,999.58, 187,408.93 and 74,278.38 is: 111,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,999.58 : 187,408.93 = 74,278.38 : x
  2. Step 2: Convert to fraction form
    124,999.58/187,408.93 = 74,278.38/x
  3. Step 3: Cross multiply
    124,999.58x = 187,408.93 × 74,278.38
  4. Step 4: Simplify right side
    124,999.58x = 13,920,431,479.21
  5. Step 5: Solve for x
    x = 13,920,431,479.21/124,999.58
  6. Step 6: Final answer
    x = 111,363.83

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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.