Home / 103,880.56-143,364-58,567.36

Finding the Fourth Proportional to 103,880.56, 143,364 and 58,567.36

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Solution

The fourth proportional to 103,880.56, 143,364 and 58,567.36 is: 80,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,880.56 : 143,364 = 58,567.36 : x
  2. Step 2: Convert to fraction form
    103,880.56/143,364 = 58,567.36/x
  3. Step 3: Cross multiply
    103,880.56x = 143,364 × 58,567.36
  4. Step 4: Simplify right side
    103,880.56x = 8,396,450,999.04
  5. Step 5: Solve for x
    x = 8,396,450,999.04/103,880.56
  6. Step 6: Final answer
    x = 80,827.93

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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.