Home / 133,052.72-183,604.91-72,611.19

Finding the Fourth Proportional to 133,052.72, 183,604.91 and 72,611.19

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Solution

The fourth proportional to 133,052.72, 183,604.91 and 72,611.19 is: 100,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.72 : 183,604.91 = 72,611.19 : x
  2. Step 2: Convert to fraction form
    133,052.72/183,604.91 = 72,611.19/x
  3. Step 3: Cross multiply
    133,052.72x = 183,604.91 × 72,611.19
  4. Step 4: Simplify right side
    133,052.72x = 13,331,770,641.89
  5. Step 5: Solve for x
    x = 13,331,770,641.89/133,052.72
  6. Step 6: Final answer
    x = 100,199.16

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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.