Home / 103,810.03-143,257.86-56,063.41

Finding the Fourth Proportional to 103,810.03, 143,257.86 and 56,063.41

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Solution

The fourth proportional to 103,810.03, 143,257.86 and 56,063.41 is: 77,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,810.03 : 143,257.86 = 56,063.41 : x
  2. Step 2: Convert to fraction form
    103,810.03/143,257.86 = 56,063.41/x
  3. Step 3: Cross multiply
    103,810.03x = 143,257.86 × 56,063.41
  4. Step 4: Simplify right side
    103,810.03x = 8,031,523,782.76
  5. Step 5: Solve for x
    x = 8,031,523,782.76/103,810.03
  6. Step 6: Final answer
    x = 77,367.51

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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.