Home / 131,554.96-197,381.82-79,002.16

Finding the Fourth Proportional to 131,554.96, 197,381.82 and 79,002.16

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Solution

The fourth proportional to 131,554.96, 197,381.82 and 79,002.16 is: 118,532.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,554.96 : 197,381.82 = 79,002.16 : x
  2. Step 2: Convert to fraction form
    131,554.96/197,381.82 = 79,002.16/x
  3. Step 3: Cross multiply
    131,554.96x = 197,381.82 × 79,002.16
  4. Step 4: Simplify right side
    131,554.96x = 15,593,590,124.73
  5. Step 5: Solve for x
    x = 15,593,590,124.73/131,554.96
  6. Step 6: Final answer
    x = 118,532.89

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1.5x scale

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.