Home / 75,460.44-113,190.60-19,300.65

Finding the Fourth Proportional to 75,460.44, 113,190.60 and 19,300.65

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Solution

The fourth proportional to 75,460.44, 113,190.60 and 19,300.65 is: 28,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,460.44 : 113,190.60 = 19,300.65 : x
  2. Step 2: Convert to fraction form
    75,460.44/113,190.60 = 19,300.65/x
  3. Step 3: Cross multiply
    75,460.44x = 113,190.60 × 19,300.65
  4. Step 4: Simplify right side
    75,460.44x = 2,184,652,153.89
  5. Step 5: Solve for x
    x = 2,184,652,153.89/75,460.44
  6. Step 6: Final answer
    x = 28,950.96

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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.