Home / 104,518.14-144,234.41-56,771.07

Finding the Fourth Proportional to 104,518.14, 144,234.41 and 56,771.07

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Solution

The fourth proportional to 104,518.14, 144,234.41 and 56,771.07 is: 78,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,518.14 : 144,234.41 = 56,771.07 : x
  2. Step 2: Convert to fraction form
    104,518.14/144,234.41 = 56,771.07/x
  3. Step 3: Cross multiply
    104,518.14x = 144,234.41 × 56,771.07
  4. Step 4: Simplify right side
    104,518.14x = 8,188,341,502.66
  5. Step 5: Solve for x
    x = 8,188,341,502.66/104,518.14
  6. Step 6: Final answer
    x = 78,343.74

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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.