Home / 103,687.91-143,089.35-60,675.67

Finding the Fourth Proportional to 103,687.91, 143,089.35 and 60,675.67

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Solution

The fourth proportional to 103,687.91, 143,089.35 and 60,675.67 is: 83,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.91 : 143,089.35 = 60,675.67 : x
  2. Step 2: Convert to fraction form
    103,687.91/143,089.35 = 60,675.67/x
  3. Step 3: Cross multiply
    103,687.91x = 143,089.35 × 60,675.67
  4. Step 4: Simplify right side
    103,687.91x = 8,682,042,181.11
  5. Step 5: Solve for x
    x = 8,682,042,181.11/103,687.91
  6. Step 6: Final answer
    x = 83,732.44

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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.