Home / 123,427.64-170,329.90-66,838.84

Finding the Fourth Proportional to 123,427.64, 170,329.90 and 66,838.84

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Solution

The fourth proportional to 123,427.64, 170,329.90 and 66,838.84 is: 92,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,427.64 : 170,329.90 = 66,838.84 : x
  2. Step 2: Convert to fraction form
    123,427.64/170,329.90 = 66,838.84/x
  3. Step 3: Cross multiply
    123,427.64x = 170,329.90 × 66,838.84
  4. Step 4: Simplify right side
    123,427.64x = 11,384,652,933.32
  5. Step 5: Solve for x
    x = 11,384,652,933.32/123,427.64
  6. Step 6: Final answer
    x = 92,237.47

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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.