Home / 163,776.15-245,539.37-51,391.55

Finding the Fourth Proportional to 163,776.15, 245,539.37 and 51,391.55

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Solution

The fourth proportional to 163,776.15, 245,539.37 and 51,391.55 is: 77,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,776.15 : 245,539.37 = 51,391.55 : x
  2. Step 2: Convert to fraction form
    163,776.15/245,539.37 = 51,391.55/x
  3. Step 3: Cross multiply
    163,776.15x = 245,539.37 × 51,391.55
  4. Step 4: Simplify right side
    163,776.15x = 12,618,647,325.67
  5. Step 5: Solve for x
    x = 12,618,647,325.67/163,776.15
  6. Step 6: Final answer
    x = 77,048.14

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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.