Home / 197,428.19-296,173.23-85,140.32

Finding the Fourth Proportional to 197,428.19, 296,173.23 and 85,140.32

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Solution

The fourth proportional to 197,428.19, 296,173.23 and 85,140.32 is: 127,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,428.19 : 296,173.23 = 85,140.32 : x
  2. Step 2: Convert to fraction form
    197,428.19/296,173.23 = 85,140.32/x
  3. Step 3: Cross multiply
    197,428.19x = 296,173.23 × 85,140.32
  4. Step 4: Simplify right side
    197,428.19x = 25,216,282,096.77
  5. Step 5: Solve for x
    x = 25,216,282,096.77/197,428.19
  6. Step 6: Final answer
    x = 127,723.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.