Home / 103,983.25-143,496.98-56,236.60

Finding the Fourth Proportional to 103,983.25, 143,496.98 and 56,236.60

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Solution

The fourth proportional to 103,983.25, 143,496.98 and 56,236.60 is: 77,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,983.25 : 143,496.98 = 56,236.60 : x
  2. Step 2: Convert to fraction form
    103,983.25/143,496.98 = 56,236.60/x
  3. Step 3: Cross multiply
    103,983.25x = 143,496.98 × 56,236.60
  4. Step 4: Simplify right side
    103,983.25x = 8,069,781,488.29
  5. Step 5: Solve for x
    x = 8,069,781,488.29/103,983.25
  6. Step 6: Final answer
    x = 77,606.55

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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.