Home / 104,127.63-143,696.23-56,380.86

Finding the Fourth Proportional to 104,127.63, 143,696.23 and 56,380.86

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Solution

The fourth proportional to 104,127.63, 143,696.23 and 56,380.86 is: 77,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,127.63 : 143,696.23 = 56,380.86 : x
  2. Step 2: Convert to fraction form
    104,127.63/143,696.23 = 56,380.86/x
  3. Step 3: Cross multiply
    104,127.63x = 143,696.23 × 56,380.86
  4. Step 4: Simplify right side
    104,127.63x = 8,101,716,885.21
  5. Step 5: Solve for x
    x = 8,101,716,885.21/104,127.63
  6. Step 6: Final answer
    x = 77,805.64

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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.