Home / 104,127.88-143,589.08-89,070.39

Finding the Fourth Proportional to 104,127.88, 143,589.08 and 89,070.39

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Solution

The fourth proportional to 104,127.88, 143,589.08 and 89,070.39 is: 122,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,127.88 : 143,589.08 = 89,070.39 : x
  2. Step 2: Convert to fraction form
    104,127.88/143,589.08 = 89,070.39/x
  3. Step 3: Cross multiply
    104,127.88x = 143,589.08 × 89,070.39
  4. Step 4: Simplify right side
    104,127.88x = 12,789,535,355.34
  5. Step 5: Solve for x
    x = 12,789,535,355.34/104,127.88
  6. Step 6: Final answer
    x = 122,825.27

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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.