Home / 123,741.56-170,763.34-67,152.94

Finding the Fourth Proportional to 123,741.56, 170,763.34 and 67,152.94

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Solution

The fourth proportional to 123,741.56, 170,763.34 and 67,152.94 is: 92,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,741.56 : 170,763.34 = 67,152.94 : x
  2. Step 2: Convert to fraction form
    123,741.56/170,763.34 = 67,152.94/x
  3. Step 3: Cross multiply
    123,741.56x = 170,763.34 × 67,152.94
  4. Step 4: Simplify right side
    123,741.56x = 11,467,260,325.22
  5. Step 5: Solve for x
    x = 11,467,260,325.22/123,741.56
  6. Step 6: Final answer
    x = 92,671.05

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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.