Home / 281,095.04-421,638.84-67,861.80

Finding the Fourth Proportional to 281,095.04, 421,638.84 and 67,861.80

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Solution

The fourth proportional to 281,095.04, 421,638.84 and 67,861.80 is: 101,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,095.04 : 421,638.84 = 67,861.80 : x
  2. Step 2: Convert to fraction form
    281,095.04/421,638.84 = 67,861.80/x
  3. Step 3: Cross multiply
    281,095.04x = 421,638.84 × 67,861.80
  4. Step 4: Simplify right side
    281,095.04x = 28,613,170,632.31
  5. Step 5: Solve for x
    x = 28,613,170,632.31/281,095.04
  6. Step 6: Final answer
    x = 101,791.80

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1.5x scale

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.