Home / 178,815.69-268,296.98-85,261.77

Finding the Fourth Proportional to 178,815.69, 268,296.98 and 85,261.77

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Solution

The fourth proportional to 178,815.69, 268,296.98 and 85,261.77 is: 127,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,815.69 : 268,296.98 = 85,261.77 : x
  2. Step 2: Convert to fraction form
    178,815.69/268,296.98 = 85,261.77/x
  3. Step 3: Cross multiply
    178,815.69x = 268,296.98 × 85,261.77
  4. Step 4: Simplify right side
    178,815.69x = 22,875,474,974.15
  5. Step 5: Solve for x
    x = 22,875,474,974.15/178,815.69
  6. Step 6: Final answer
    x = 127,927.67

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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.