Home / 188,800.72-260,549.94-102,765.40

Finding the Fourth Proportional to 188,800.72, 260,549.94 and 102,765.40

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Solution

The fourth proportional to 188,800.72, 260,549.94 and 102,765.40 is: 141,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,800.72 : 260,549.94 = 102,765.40 : x
  2. Step 2: Convert to fraction form
    188,800.72/260,549.94 = 102,765.40/x
  3. Step 3: Cross multiply
    188,800.72x = 260,549.94 × 102,765.40
  4. Step 4: Simplify right side
    188,800.72x = 26,775,518,804.08
  5. Step 5: Solve for x
    x = 26,775,518,804.08/188,800.72
  6. Step 6: Final answer
    x = 141,818.94

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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.