Home / 104,586.21-144,329.93-56,839.67

Finding the Fourth Proportional to 104,586.21, 144,329.93 and 56,839.67

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Solution

The fourth proportional to 104,586.21, 144,329.93 and 56,839.67 is: 78,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,586.21 : 144,329.93 = 56,839.67 : x
  2. Step 2: Convert to fraction form
    104,586.21/144,329.93 = 56,839.67/x
  3. Step 3: Cross multiply
    104,586.21x = 144,329.93 × 56,839.67
  4. Step 4: Simplify right side
    104,586.21x = 8,203,665,992.86
  5. Step 5: Solve for x
    x = 8,203,665,992.86/104,586.21
  6. Step 6: Final answer
    x = 78,439.27

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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.