Home / 142,315.65-213,508.50-100,277.83

Finding the Fourth Proportional to 142,315.65, 213,508.50 and 100,277.83

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Solution

The fourth proportional to 142,315.65, 213,508.50 and 100,277.83 is: 150,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,315.65 : 213,508.50 = 100,277.83 : x
  2. Step 2: Convert to fraction form
    142,315.65/213,508.50 = 100,277.83/x
  3. Step 3: Cross multiply
    142,315.65x = 213,508.50 × 100,277.83
  4. Step 4: Simplify right side
    142,315.65x = 21,410,168,815.86
  5. Step 5: Solve for x
    x = 21,410,168,815.86/142,315.65
  6. Step 6: Final answer
    x = 150,441.43

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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.