Home / 163,530.18-245,292.84-45,198.90

Finding the Fourth Proportional to 163,530.18, 245,292.84 and 45,198.90

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Solution

The fourth proportional to 163,530.18, 245,292.84 and 45,198.90 is: 67,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530.18 : 245,292.84 = 45,198.90 : x
  2. Step 2: Convert to fraction form
    163,530.18/245,292.84 = 45,198.90/x
  3. Step 3: Cross multiply
    163,530.18x = 245,292.84 × 45,198.90
  4. Step 4: Simplify right side
    163,530.18x = 11,086,966,545.88
  5. Step 5: Solve for x
    x = 11,086,966,545.88/163,530.18
  6. Step 6: Final answer
    x = 67,797.68

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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.