Home / 272,638.40-376,172.72-163,761.04

Finding the Fourth Proportional to 272,638.40, 376,172.72 and 163,761.04

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Solution

The fourth proportional to 272,638.40, 376,172.72 and 163,761.04 is: 225,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,638.40 : 376,172.72 = 163,761.04 : x
  2. Step 2: Convert to fraction form
    272,638.40/376,172.72 = 163,761.04/x
  3. Step 3: Cross multiply
    272,638.40x = 376,172.72 × 163,761.04
  4. Step 4: Simplify right side
    272,638.40x = 61,602,435,846.83
  5. Step 5: Solve for x
    x = 61,602,435,846.83/272,638.40
  6. Step 6: Final answer
    x = 225,949.23

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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.