Home / 103,837.75-143,295.95-56,091.08

Finding the Fourth Proportional to 103,837.75, 143,295.95 and 56,091.08

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Solution

The fourth proportional to 103,837.75, 143,295.95 and 56,091.08 is: 77,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,837.75 : 143,295.95 = 56,091.08 : x
  2. Step 2: Convert to fraction form
    103,837.75/143,295.95 = 56,091.08/x
  3. Step 3: Cross multiply
    103,837.75x = 143,295.95 × 56,091.08
  4. Step 4: Simplify right side
    103,837.75x = 8,037,625,093.59
  5. Step 5: Solve for x
    x = 8,037,625,093.59/103,837.75
  6. Step 6: Final answer
    x = 77,405.62

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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.