Home / 104,256.75-143,874.33-56,509.95

Finding the Fourth Proportional to 104,256.75, 143,874.33 and 56,509.95

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Solution

The fourth proportional to 104,256.75, 143,874.33 and 56,509.95 is: 77,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,256.75 : 143,874.33 = 56,509.95 : x
  2. Step 2: Convert to fraction form
    104,256.75/143,874.33 = 56,509.95/x
  3. Step 3: Cross multiply
    104,256.75x = 143,874.33 × 56,509.95
  4. Step 4: Simplify right side
    104,256.75x = 8,130,331,194.58
  5. Step 5: Solve for x
    x = 8,130,331,194.58/104,256.75
  6. Step 6: Final answer
    x = 77,983.74

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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.