Home / 220,741.63-304,586.81-130,085.29

Finding the Fourth Proportional to 220,741.63, 304,586.81 and 130,085.29

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Solution

The fourth proportional to 220,741.63, 304,586.81 and 130,085.29 is: 179,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,741.63 : 304,586.81 = 130,085.29 : x
  2. Step 2: Convert to fraction form
    220,741.63/304,586.81 = 130,085.29/x
  3. Step 3: Cross multiply
    220,741.63x = 304,586.81 × 130,085.29
  4. Step 4: Simplify right side
    220,741.63x = 39,622,263,361.29
  5. Step 5: Solve for x
    x = 39,622,263,361.29/220,741.63
  6. Step 6: Final answer
    x = 179,496.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.