Home / 163,578.03-245,367.05-45,246.30

Finding the Fourth Proportional to 163,578.03, 245,367.05 and 45,246.30

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Solution

The fourth proportional to 163,578.03, 245,367.05 and 45,246.30 is: 67,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,578.03 : 245,367.05 = 45,246.30 : x
  2. Step 2: Convert to fraction form
    163,578.03/245,367.05 = 45,246.30/x
  3. Step 3: Cross multiply
    163,578.03x = 245,367.05 × 45,246.30
  4. Step 4: Simplify right side
    163,578.03x = 11,101,950,135.31
  5. Step 5: Solve for x
    x = 11,101,950,135.31/163,578.03
  6. Step 6: Final answer
    x = 67,869.44

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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.