Home / 83,141.03-124,596.58-72,020.14

Finding the Fourth Proportional to 83,141.03, 124,596.58 and 72,020.14

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Solution

The fourth proportional to 83,141.03, 124,596.58 and 72,020.14 is: 107,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,141.03 : 124,596.58 = 72,020.14 : x
  2. Step 2: Convert to fraction form
    83,141.03/124,596.58 = 72,020.14/x
  3. Step 3: Cross multiply
    83,141.03x = 124,596.58 × 72,020.14
  4. Step 4: Simplify right side
    83,141.03x = 8,973,462,778.62
  5. Step 5: Solve for x
    x = 8,973,462,778.62/83,141.03
  6. Step 6: Final answer
    x = 107,930.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.