Home / 134,155.76-200,971.16-102,837.92

Finding the Fourth Proportional to 134,155.76, 200,971.16 and 102,837.92

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Solution

The fourth proportional to 134,155.76, 200,971.16 and 102,837.92 is: 154,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,155.76 : 200,971.16 = 102,837.92 : x
  2. Step 2: Convert to fraction form
    134,155.76/200,971.16 = 102,837.92/x
  3. Step 3: Cross multiply
    134,155.76x = 200,971.16 × 102,837.92
  4. Step 4: Simplify right side
    134,155.76x = 20,667,456,074.39
  5. Step 5: Solve for x
    x = 20,667,456,074.39/134,155.76
  6. Step 6: Final answer
    x = 154,055.67

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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.