Home / 143,132.44-197,528.94-79,470.25

Finding the Fourth Proportional to 143,132.44, 197,528.94 and 79,470.25

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Solution

The fourth proportional to 143,132.44, 197,528.94 and 79,470.25 is: 109,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,132.44 : 197,528.94 = 79,470.25 : x
  2. Step 2: Convert to fraction form
    143,132.44/197,528.94 = 79,470.25/x
  3. Step 3: Cross multiply
    143,132.44x = 197,528.94 × 79,470.25
  4. Step 4: Simplify right side
    143,132.44x = 15,697,674,244.04
  5. Step 5: Solve for x
    x = 15,697,674,244.04/143,132.44
  6. Step 6: Final answer
    x = 109,672.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.