Home / 161,039.03-240,474.09-131,515.43

Finding the Fourth Proportional to 161,039.03, 240,474.09 and 131,515.43

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Solution

The fourth proportional to 161,039.03, 240,474.09 and 131,515.43 is: 196,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,039.03 : 240,474.09 = 131,515.43 : x
  2. Step 2: Convert to fraction form
    161,039.03/240,474.09 = 131,515.43/x
  3. Step 3: Cross multiply
    161,039.03x = 240,474.09 × 131,515.43
  4. Step 4: Simplify right side
    161,039.03x = 31,626,053,077.81
  5. Step 5: Solve for x
    x = 31,626,053,077.81/161,039.03
  6. Step 6: Final answer
    x = 196,387.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.