Home / 163,600.10-245,405.61-45,261.53

Finding the Fourth Proportional to 163,600.10, 245,405.61 and 45,261.53

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Solution

The fourth proportional to 163,600.10, 245,405.61 and 45,261.53 is: 67,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,600.10 : 245,405.61 = 45,261.53 : x
  2. Step 2: Convert to fraction form
    163,600.10/245,405.61 = 45,261.53/x
  3. Step 3: Cross multiply
    163,600.10x = 245,405.61 × 45,261.53
  4. Step 4: Simplify right side
    163,600.10x = 11,107,433,379.18
  5. Step 5: Solve for x
    x = 11,107,433,379.18/163,600.10
  6. Step 6: Final answer
    x = 67,893.81

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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.