Home / 123,341.94-170,212.32-66,753.18

Finding the Fourth Proportional to 123,341.94, 170,212.32 and 66,753.18

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Solution

The fourth proportional to 123,341.94, 170,212.32 and 66,753.18 is: 92,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,341.94 : 170,212.32 = 66,753.18 : x
  2. Step 2: Convert to fraction form
    123,341.94/170,212.32 = 66,753.18/x
  3. Step 3: Cross multiply
    123,341.94x = 170,212.32 × 66,753.18
  4. Step 4: Simplify right side
    123,341.94x = 11,362,213,635.18
  5. Step 5: Solve for x
    x = 11,362,213,635.18/123,341.94
  6. Step 6: Final answer
    x = 92,119.63

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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.