Home / 104,144.03-143,718.48-56,397.36

Finding the Fourth Proportional to 104,144.03, 143,718.48 and 56,397.36

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Solution

The fourth proportional to 104,144.03, 143,718.48 and 56,397.36 is: 77,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,144.03 : 143,718.48 = 56,397.36 : x
  2. Step 2: Convert to fraction form
    104,144.03/143,718.48 = 56,397.36/x
  3. Step 3: Cross multiply
    104,144.03x = 143,718.48 × 56,397.36
  4. Step 4: Simplify right side
    104,144.03x = 8,105,343,235.54
  5. Step 5: Solve for x
    x = 8,105,343,235.54/104,144.03
  6. Step 6: Final answer
    x = 77,828.21

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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.