Home / 142,771.68-196,935.48-91,850.67

Finding the Fourth Proportional to 142,771.68, 196,935.48 and 91,850.67

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Solution

The fourth proportional to 142,771.68, 196,935.48 and 91,850.67 is: 126,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,771.68 : 196,935.48 = 91,850.67 : x
  2. Step 2: Convert to fraction form
    142,771.68/196,935.48 = 91,850.67/x
  3. Step 3: Cross multiply
    142,771.68x = 196,935.48 × 91,850.67
  4. Step 4: Simplify right side
    142,771.68x = 18,088,655,784.77
  5. Step 5: Solve for x
    x = 18,088,655,784.77/142,771.68
  6. Step 6: Final answer
    x = 126,696.39

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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.