Home / 104,760.13-144,566.20-57,012.45

Finding the Fourth Proportional to 104,760.13, 144,566.20 and 57,012.45

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Solution

The fourth proportional to 104,760.13, 144,566.20 and 57,012.45 is: 78,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,760.13 : 144,566.20 = 57,012.45 : x
  2. Step 2: Convert to fraction form
    104,760.13/144,566.20 = 57,012.45/x
  3. Step 3: Cross multiply
    104,760.13x = 144,566.20 × 57,012.45
  4. Step 4: Simplify right side
    104,760.13x = 8,242,073,249.19
  5. Step 5: Solve for x
    x = 8,242,073,249.19/104,760.13
  6. Step 6: Final answer
    x = 78,675.67

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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.