Home / 163,815.21-245,723.36-51,504.66

Finding the Fourth Proportional to 163,815.21, 245,723.36 and 51,504.66

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Solution

The fourth proportional to 163,815.21, 245,723.36 and 51,504.66 is: 77,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,815.21 : 245,723.36 = 51,504.66 : x
  2. Step 2: Convert to fraction form
    163,815.21/245,723.36 = 51,504.66/x
  3. Step 3: Cross multiply
    163,815.21x = 245,723.36 × 51,504.66
  4. Step 4: Simplify right side
    163,815.21x = 12,655,897,853.33
  5. Step 5: Solve for x
    x = 12,655,897,853.33/163,815.21
  6. Step 6: Final answer
    x = 77,257.16

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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.