Home / 104,518.24-144,235.96-56,771.58

Finding the Fourth Proportional to 104,518.24, 144,235.96 and 56,771.58

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Solution

The fourth proportional to 104,518.24, 144,235.96 and 56,771.58 is: 78,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,518.24 : 144,235.96 = 56,771.58 : x
  2. Step 2: Convert to fraction form
    104,518.24/144,235.96 = 56,771.58/x
  3. Step 3: Cross multiply
    104,518.24x = 144,235.96 × 56,771.58
  4. Step 4: Simplify right side
    104,518.24x = 8,188,503,342.02
  5. Step 5: Solve for x
    x = 8,188,503,342.02/104,518.24
  6. Step 6: Final answer
    x = 78,345.21

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1.5x scale

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.