Home / 104,900.32-144,817.27-81,880.77

Finding the Fourth Proportional to 104,900.32, 144,817.27 and 81,880.77

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Solution

The fourth proportional to 104,900.32, 144,817.27 and 81,880.77 is: 113,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,900.32 : 144,817.27 = 81,880.77 : x
  2. Step 2: Convert to fraction form
    104,900.32/144,817.27 = 81,880.77/x
  3. Step 3: Cross multiply
    104,900.32x = 144,817.27 × 81,880.77
  4. Step 4: Simplify right side
    104,900.32x = 11,857,749,915.26
  5. Step 5: Solve for x
    x = 11,857,749,915.26/104,900.32
  6. Step 6: Final answer
    x = 113,038.27

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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.