Home / 112,342.62-168,513.50-45,767.90

Finding the Fourth Proportional to 112,342.62, 168,513.50 and 45,767.90

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Solution

The fourth proportional to 112,342.62, 168,513.50 and 45,767.90 is: 68,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,342.62 : 168,513.50 = 45,767.90 : x
  2. Step 2: Convert to fraction form
    112,342.62/168,513.50 = 45,767.90/x
  3. Step 3: Cross multiply
    112,342.62x = 168,513.50 × 45,767.90
  4. Step 4: Simplify right side
    112,342.62x = 7,712,509,016.65
  5. Step 5: Solve for x
    x = 7,712,509,016.65/112,342.62
  6. Step 6: Final answer
    x = 68,651.67

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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.