Home / 103,975.94-143,486.52-56,229.29

Finding the Fourth Proportional to 103,975.94, 143,486.52 and 56,229.29

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Solution

The fourth proportional to 103,975.94, 143,486.52 and 56,229.29 is: 77,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,975.94 : 143,486.52 = 56,229.29 : x
  2. Step 2: Convert to fraction form
    103,975.94/143,486.52 = 56,229.29/x
  3. Step 3: Cross multiply
    103,975.94x = 143,486.52 × 56,229.29
  4. Step 4: Simplify right side
    103,975.94x = 8,068,145,502.89
  5. Step 5: Solve for x
    x = 8,068,145,502.89/103,975.94
  6. Step 6: Final answer
    x = 77,596.27

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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.