Home / 114,971.42-172,450.02-42,910.30

Finding the Fourth Proportional to 114,971.42, 172,450.02 and 42,910.30

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Solution

The fourth proportional to 114,971.42, 172,450.02 and 42,910.30 is: 64,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,971.42 : 172,450.02 = 42,910.30 : x
  2. Step 2: Convert to fraction form
    114,971.42/172,450.02 = 42,910.30/x
  3. Step 3: Cross multiply
    114,971.42x = 172,450.02 × 42,910.30
  4. Step 4: Simplify right side
    114,971.42x = 7,399,882,551.66
  5. Step 5: Solve for x
    x = 7,399,882,551.66/114,971.42
  6. Step 6: Final answer
    x = 64,362.80

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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.