Home / 163,548.12-245,417.34-68,771.43

Finding the Fourth Proportional to 163,548.12, 245,417.34 and 68,771.43

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Solution

The fourth proportional to 163,548.12, 245,417.34 and 68,771.43 is: 103,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,548.12 : 245,417.34 = 68,771.43 : x
  2. Step 2: Convert to fraction form
    163,548.12/245,417.34 = 68,771.43/x
  3. Step 3: Cross multiply
    163,548.12x = 245,417.34 × 68,771.43
  4. Step 4: Simplify right side
    163,548.12x = 16,877,701,418.60
  5. Step 5: Solve for x
    x = 16,877,701,418.60/163,548.12
  6. Step 6: Final answer
    x = 103,197.16

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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.