Home / 104,683.59-144,611.33-81,114.21

Finding the Fourth Proportional to 104,683.59, 144,611.33 and 81,114.21

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Solution

The fourth proportional to 104,683.59, 144,611.33 and 81,114.21 is: 112,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,683.59 : 144,611.33 = 81,114.21 : x
  2. Step 2: Convert to fraction form
    104,683.59/144,611.33 = 81,114.21/x
  3. Step 3: Cross multiply
    104,683.59x = 144,611.33 × 81,114.21
  4. Step 4: Simplify right side
    104,683.59x = 11,730,033,384.43
  5. Step 5: Solve for x
    x = 11,730,033,384.43/104,683.59
  6. Step 6: Final answer
    x = 112,052.27

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1.5x scale

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.