Home / 188,554.70-260,209.94-102,518.60

Finding the Fourth Proportional to 188,554.70, 260,209.94 and 102,518.60

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Solution

The fourth proportional to 188,554.70, 260,209.94 and 102,518.60 is: 141,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,554.70 : 260,209.94 = 102,518.60 : x
  2. Step 2: Convert to fraction form
    188,554.70/260,209.94 = 102,518.60/x
  3. Step 3: Cross multiply
    188,554.70x = 260,209.94 × 102,518.60
  4. Step 4: Simplify right side
    188,554.70x = 26,676,356,941.24
  5. Step 5: Solve for x
    x = 26,676,356,941.24/188,554.70
  6. Step 6: Final answer
    x = 141,478.08

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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.