Home / 112,264.38-154,944.81-66,945.36

Finding the Fourth Proportional to 112,264.38, 154,944.81 and 66,945.36

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Solution

The fourth proportional to 112,264.38, 154,944.81 and 66,945.36 is: 92,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,264.38 : 154,944.81 = 66,945.36 : x
  2. Step 2: Convert to fraction form
    112,264.38/154,944.81 = 66,945.36/x
  3. Step 3: Cross multiply
    112,264.38x = 154,944.81 × 66,945.36
  4. Step 4: Simplify right side
    112,264.38x = 10,372,836,085.58
  5. Step 5: Solve for x
    x = 10,372,836,085.58/112,264.38
  6. Step 6: Final answer
    x = 92,396.50

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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.