Home / 112,207.83-168,311.27-45,647.42

Finding the Fourth Proportional to 112,207.83, 168,311.27 and 45,647.42

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Solution

The fourth proportional to 112,207.83, 168,311.27 and 45,647.42 is: 68,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207.83 : 168,311.27 = 45,647.42 : x
  2. Step 2: Convert to fraction form
    112,207.83/168,311.27 = 45,647.42/x
  3. Step 3: Cross multiply
    112,207.83x = 168,311.27 × 45,647.42
  4. Step 4: Simplify right side
    112,207.83x = 7,682,974,162.63
  5. Step 5: Solve for x
    x = 7,682,974,162.63/112,207.83
  6. Step 6: Final answer
    x = 68,470.93

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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.