Home / 104,728.15-144,525.48-56,981.85

Finding the Fourth Proportional to 104,728.15, 144,525.48 and 56,981.85

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Solution

The fourth proportional to 104,728.15, 144,525.48 and 56,981.85 is: 78,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.15 : 144,525.48 = 56,981.85 : x
  2. Step 2: Convert to fraction form
    104,728.15/144,525.48 = 56,981.85/x
  3. Step 3: Cross multiply
    104,728.15x = 144,525.48 × 56,981.85
  4. Step 4: Simplify right side
    104,728.15x = 8,235,329,222.54
  5. Step 5: Solve for x
    x = 8,235,329,222.54/104,728.15
  6. Step 6: Final answer
    x = 78,635.30

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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.