Home / 281,095.64-421,673.06-91,570.84

Finding the Fourth Proportional to 281,095.64, 421,673.06 and 91,570.84

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Solution

The fourth proportional to 281,095.64, 421,673.06 and 91,570.84 is: 137,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,095.64 : 421,673.06 = 91,570.84 : x
  2. Step 2: Convert to fraction form
    281,095.64/421,673.06 = 91,570.84/x
  3. Step 3: Cross multiply
    281,095.64x = 421,673.06 × 91,570.84
  4. Step 4: Simplify right side
    281,095.64x = 38,612,956,309.57
  5. Step 5: Solve for x
    x = 38,612,956,309.57/281,095.64
  6. Step 6: Final answer
    x = 137,365.90

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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.