Home / 135,304.88-202,897.32-72,113.23

Finding the Fourth Proportional to 135,304.88, 202,897.32 and 72,113.23

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Solution

The fourth proportional to 135,304.88, 202,897.32 and 72,113.23 is: 108,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,304.88 : 202,897.32 = 72,113.23 : x
  2. Step 2: Convert to fraction form
    135,304.88/202,897.32 = 72,113.23/x
  3. Step 3: Cross multiply
    135,304.88x = 202,897.32 × 72,113.23
  4. Step 4: Simplify right side
    135,304.88x = 14,631,580,089.06
  5. Step 5: Solve for x
    x = 14,631,580,089.06/135,304.88
  6. Step 6: Final answer
    x = 108,137.86

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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.