Home / 113,771.07-170,518.26-80,500.74

Finding the Fourth Proportional to 113,771.07, 170,518.26 and 80,500.74

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Solution

The fourth proportional to 113,771.07, 170,518.26 and 80,500.74 is: 120,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,771.07 : 170,518.26 = 80,500.74 : x
  2. Step 2: Convert to fraction form
    113,771.07/170,518.26 = 80,500.74/x
  3. Step 3: Cross multiply
    113,771.07x = 170,518.26 × 80,500.74
  4. Step 4: Simplify right side
    113,771.07x = 13,726,846,113.51
  5. Step 5: Solve for x
    x = 13,726,846,113.51/113,771.07
  6. Step 6: Final answer
    x = 120,653.22

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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.