Home / 123,435.96-170,341.26-66,847.32

Finding the Fourth Proportional to 123,435.96, 170,341.26 and 66,847.32

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Solution

The fourth proportional to 123,435.96, 170,341.26 and 66,847.32 is: 92,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,435.96 : 170,341.26 = 66,847.32 : x
  2. Step 2: Convert to fraction form
    123,435.96/170,341.26 = 66,847.32/x
  3. Step 3: Cross multiply
    123,435.96x = 170,341.26 × 66,847.32
  4. Step 4: Simplify right side
    123,435.96x = 11,386,856,716.42
  5. Step 5: Solve for x
    x = 11,386,856,716.42/123,435.96
  6. Step 6: Final answer
    x = 92,249.10

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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.