Home / 202,661.30-279,667.40-112,010.96

Finding the Fourth Proportional to 202,661.30, 279,667.40 and 112,010.96

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Solution

The fourth proportional to 202,661.30, 279,667.40 and 112,010.96 is: 154,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,661.30 : 279,667.40 = 112,010.96 : x
  2. Step 2: Convert to fraction form
    202,661.30/279,667.40 = 112,010.96/x
  3. Step 3: Cross multiply
    202,661.30x = 279,667.40 × 112,010.96
  4. Step 4: Simplify right side
    202,661.30x = 31,325,813,954.70
  5. Step 5: Solve for x
    x = 31,325,813,954.70/202,661.30
  6. Step 6: Final answer
    x = 154,572.25

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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.