Home / 281,051.04-421,742.64-103,682.64

Finding the Fourth Proportional to 281,051.04, 421,742.64 and 103,682.64

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Solution

The fourth proportional to 281,051.04, 421,742.64 and 103,682.64 is: 155,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,051.04 : 421,742.64 = 103,682.64 : x
  2. Step 2: Convert to fraction form
    281,051.04/421,742.64 = 103,682.64/x
  3. Step 3: Cross multiply
    281,051.04x = 421,742.64 × 103,682.64
  4. Step 4: Simplify right side
    281,051.04x = 43,727,390,315.77
  5. Step 5: Solve for x
    x = 43,727,390,315.77/281,051.04
  6. Step 6: Final answer
    x = 155,585.23

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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.