Home / 281,527.19-421,995.54-131,641.16

Finding the Fourth Proportional to 281,527.19, 421,995.54 and 131,641.16

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Solution

The fourth proportional to 281,527.19, 421,995.54 and 131,641.16 is: 197,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,527.19 : 421,995.54 = 131,641.16 : x
  2. Step 2: Convert to fraction form
    281,527.19/421,995.54 = 131,641.16/x
  3. Step 3: Cross multiply
    281,527.19x = 421,995.54 × 131,641.16
  4. Step 4: Simplify right side
    281,527.19x = 55,551,982,400.43
  5. Step 5: Solve for x
    x = 55,551,982,400.43/281,527.19
  6. Step 6: Final answer
    x = 197,323.68

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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.