Home / 103,828.58-143,283.43-56,081.92

Finding the Fourth Proportional to 103,828.58, 143,283.43 and 56,081.92

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Solution

The fourth proportional to 103,828.58, 143,283.43 and 56,081.92 is: 77,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,828.58 : 143,283.43 = 56,081.92 : x
  2. Step 2: Convert to fraction form
    103,828.58/143,283.43 = 56,081.92/x
  3. Step 3: Cross multiply
    103,828.58x = 143,283.43 × 56,081.92
  4. Step 4: Simplify right side
    103,828.58x = 8,035,609,839.14
  5. Step 5: Solve for x
    x = 8,035,609,839.14/103,828.58
  6. Step 6: Final answer
    x = 77,393.04

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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.