Home / 171,811.23-257,881.01-105,381.24

Finding the Fourth Proportional to 171,811.23, 257,881.01 and 105,381.24

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Solution

The fourth proportional to 171,811.23, 257,881.01 and 105,381.24 is: 158,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,811.23 : 257,881.01 = 105,381.24 : x
  2. Step 2: Convert to fraction form
    171,811.23/257,881.01 = 105,381.24/x
  3. Step 3: Cross multiply
    171,811.23x = 257,881.01 × 105,381.24
  4. Step 4: Simplify right side
    171,811.23x = 27,175,820,079.35
  5. Step 5: Solve for x
    x = 27,175,820,079.35/171,811.23
  6. Step 6: Final answer
    x = 158,172.55

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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.