Home / 281,095.29-421,639.21-67,862.06

Finding the Fourth Proportional to 281,095.29, 421,639.21 and 67,862.06

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Solution

The fourth proportional to 281,095.29, 421,639.21 and 67,862.06 is: 101,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,095.29 : 421,639.21 = 67,862.06 : x
  2. Step 2: Convert to fraction form
    281,095.29/421,639.21 = 67,862.06/x
  3. Step 3: Cross multiply
    281,095.29x = 421,639.21 × 67,862.06
  4. Step 4: Simplify right side
    281,095.29x = 28,613,302,919.87
  5. Step 5: Solve for x
    x = 28,613,302,919.87/281,095.29
  6. Step 6: Final answer
    x = 101,792.18

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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.