Home / 122,298.08-183,416.32-47,392.56

Finding the Fourth Proportional to 122,298.08, 183,416.32 and 47,392.56

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Solution

The fourth proportional to 122,298.08, 183,416.32 and 47,392.56 is: 71,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,298.08 : 183,416.32 = 47,392.56 : x
  2. Step 2: Convert to fraction form
    122,298.08/183,416.32 = 47,392.56/x
  3. Step 3: Cross multiply
    122,298.08x = 183,416.32 × 47,392.56
  4. Step 4: Simplify right side
    122,298.08x = 8,692,568,950.58
  5. Step 5: Solve for x
    x = 8,692,568,950.58/122,298.08
  6. Step 6: Final answer
    x = 71,076.90

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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.