Home / 163,740.48-225,989-103,344.04

Finding the Fourth Proportional to 163,740.48, 225,989 and 103,344.04

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Solution

The fourth proportional to 163,740.48, 225,989 and 103,344.04 is: 142,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,740.48 : 225,989 = 103,344.04 : x
  2. Step 2: Convert to fraction form
    163,740.48/225,989 = 103,344.04/x
  3. Step 3: Cross multiply
    163,740.48x = 225,989 × 103,344.04
  4. Step 4: Simplify right side
    163,740.48x = 23,354,616,255.56
  5. Step 5: Solve for x
    x = 23,354,616,255.56/163,740.48
  6. Step 6: Final answer
    x = 142,631.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.