Home / 163,431.50-245,161.35-45,102.83

Finding the Fourth Proportional to 163,431.50, 245,161.35 and 45,102.83

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Solution

The fourth proportional to 163,431.50, 245,161.35 and 45,102.83 is: 67,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,431.50 : 245,161.35 = 45,102.83 : x
  2. Step 2: Convert to fraction form
    163,431.50/245,161.35 = 45,102.83/x
  3. Step 3: Cross multiply
    163,431.50x = 245,161.35 × 45,102.83
  4. Step 4: Simplify right side
    163,431.50x = 11,057,469,465.81
  5. Step 5: Solve for x
    x = 11,057,469,465.81/163,431.50
  6. Step 6: Final answer
    x = 67,658.13

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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.