Home / 274,733.46-412,159.38-85,190

Finding the Fourth Proportional to 274,733.46, 412,159.38 and 85,190

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Solution

The fourth proportional to 274,733.46, 412,159.38 and 85,190 is: 127,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,733.46 : 412,159.38 = 85,190 : x
  2. Step 2: Convert to fraction form
    274,733.46/412,159.38 = 85,190/x
  3. Step 3: Cross multiply
    274,733.46x = 412,159.38 × 85,190
  4. Step 4: Simplify right side
    274,733.46x = 35,111,857,582.20
  5. Step 5: Solve for x
    x = 35,111,857,582.20/274,733.46
  6. Step 6: Final answer
    x = 127,803.35

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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.