Home / 163,633.86-245,450.79-45,305.19

Finding the Fourth Proportional to 163,633.86, 245,450.79 and 45,305.19

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Solution

The fourth proportional to 163,633.86, 245,450.79 and 45,305.19 is: 67,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,633.86 : 245,450.79 = 45,305.19 : x
  2. Step 2: Convert to fraction form
    163,633.86/245,450.79 = 45,305.19/x
  3. Step 3: Cross multiply
    163,633.86x = 245,450.79 × 45,305.19
  4. Step 4: Simplify right side
    163,633.86x = 11,120,194,676.60
  5. Step 5: Solve for x
    x = 11,120,194,676.60/163,633.86
  6. Step 6: Final answer
    x = 67,957.79

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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.