Home / 104,541.85-144,267.51-56,794.78

Finding the Fourth Proportional to 104,541.85, 144,267.51 and 56,794.78

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Solution

The fourth proportional to 104,541.85, 144,267.51 and 56,794.78 is: 78,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,541.85 : 144,267.51 = 56,794.78 : x
  2. Step 2: Convert to fraction form
    104,541.85/144,267.51 = 56,794.78/x
  3. Step 3: Cross multiply
    104,541.85x = 144,267.51 × 56,794.78
  4. Step 4: Simplify right side
    104,541.85x = 8,193,641,491.60
  5. Step 5: Solve for x
    x = 8,193,641,491.60/104,541.85
  6. Step 6: Final answer
    x = 78,376.66

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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.