Home / 163,772.03-245,658.16-45,443.49

Finding the Fourth Proportional to 163,772.03, 245,658.16 and 45,443.49

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Solution

The fourth proportional to 163,772.03, 245,658.16 and 45,443.49 is: 68,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,772.03 : 245,658.16 = 45,443.49 : x
  2. Step 2: Convert to fraction form
    163,772.03/245,658.16 = 45,443.49/x
  3. Step 3: Cross multiply
    163,772.03x = 245,658.16 × 45,443.49
  4. Step 4: Simplify right side
    163,772.03x = 11,163,564,137.38
  5. Step 5: Solve for x
    x = 11,163,564,137.38/163,772.03
  6. Step 6: Final answer
    x = 68,165.27

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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.