Home / 70,196.07-105,266.37-30,218.04

Finding the Fourth Proportional to 70,196.07, 105,266.37 and 30,218.04

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Solution

The fourth proportional to 70,196.07, 105,266.37 and 30,218.04 is: 45,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,196.07 : 105,266.37 = 30,218.04 : x
  2. Step 2: Convert to fraction form
    70,196.07/105,266.37 = 30,218.04/x
  3. Step 3: Cross multiply
    70,196.07x = 105,266.37 × 30,218.04
  4. Step 4: Simplify right side
    70,196.07x = 3,180,943,379.31
  5. Step 5: Solve for x
    x = 3,180,943,379.31/70,196.07
  6. Step 6: Final answer
    x = 45,315.12

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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.