Home / 163,732.80-226,094.40-103,411.20

Finding the Fourth Proportional to 163,732.80, 226,094.40 and 103,411.20

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Solution

The fourth proportional to 163,732.80, 226,094.40 and 103,411.20 is: 142,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,732.80 : 226,094.40 = 103,411.20 : x
  2. Step 2: Convert to fraction form
    163,732.80/226,094.40 = 103,411.20/x
  3. Step 3: Cross multiply
    163,732.80x = 226,094.40 × 103,411.20
  4. Step 4: Simplify right side
    163,732.80x = 23,380,693,217.28
  5. Step 5: Solve for x
    x = 23,380,693,217.28/163,732.80
  6. Step 6: Final answer
    x = 142,797.86

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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.