Home / 142,532.45-196,715.65-82,091.33

Finding the Fourth Proportional to 142,532.45, 196,715.65 and 82,091.33

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Solution

The fourth proportional to 142,532.45, 196,715.65 and 82,091.33 is: 113,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,532.45 : 196,715.65 = 82,091.33 : x
  2. Step 2: Convert to fraction form
    142,532.45/196,715.65 = 82,091.33/x
  3. Step 3: Cross multiply
    142,532.45x = 196,715.65 × 82,091.33
  4. Step 4: Simplify right side
    142,532.45x = 16,148,649,340.31
  5. Step 5: Solve for x
    x = 16,148,649,340.31/142,532.45
  6. Step 6: Final answer
    x = 113,298.05

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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.