Home / 268,929.76-371,120.34-148,068.76

Finding the Fourth Proportional to 268,929.76, 371,120.34 and 148,068.76

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Solution

The fourth proportional to 268,929.76, 371,120.34 and 148,068.76 is: 204,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,929.76 : 371,120.34 = 148,068.76 : x
  2. Step 2: Convert to fraction form
    268,929.76/371,120.34 = 148,068.76/x
  3. Step 3: Cross multiply
    268,929.76x = 371,120.34 × 148,068.76
  4. Step 4: Simplify right side
    268,929.76x = 54,951,328,554.58
  5. Step 5: Solve for x
    x = 54,951,328,554.58/268,929.76
  6. Step 6: Final answer
    x = 204,333.39

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1.5x scale

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.