Home / 103,836.23-143,293.90-56,089.56

Finding the Fourth Proportional to 103,836.23, 143,293.90 and 56,089.56

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Solution

The fourth proportional to 103,836.23, 143,293.90 and 56,089.56 is: 77,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,836.23 : 143,293.90 = 56,089.56 : x
  2. Step 2: Convert to fraction form
    103,836.23/143,293.90 = 56,089.56/x
  3. Step 3: Cross multiply
    103,836.23x = 143,293.90 × 56,089.56
  4. Step 4: Simplify right side
    103,836.23x = 8,037,291,801.68
  5. Step 5: Solve for x
    x = 8,037,291,801.68/103,836.23
  6. Step 6: Final answer
    x = 77,403.54

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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.