Home / 103,664.19-143,056.44-58,342.50

Finding the Fourth Proportional to 103,664.19, 143,056.44 and 58,342.50

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Solution

The fourth proportional to 103,664.19, 143,056.44 and 58,342.50 is: 80,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.19 : 143,056.44 = 58,342.50 : x
  2. Step 2: Convert to fraction form
    103,664.19/143,056.44 = 58,342.50/x
  3. Step 3: Cross multiply
    103,664.19x = 143,056.44 × 58,342.50
  4. Step 4: Simplify right side
    103,664.19x = 8,346,270,350.70
  5. Step 5: Solve for x
    x = 8,346,270,350.70/103,664.19
  6. Step 6: Final answer
    x = 80,512.57

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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.