Home / 143,166.55-197,578.98-79,504.35

Finding the Fourth Proportional to 143,166.55, 197,578.98 and 79,504.35

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Solution

The fourth proportional to 143,166.55, 197,578.98 and 79,504.35 is: 109,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,166.55 : 197,578.98 = 79,504.35 : x
  2. Step 2: Convert to fraction form
    143,166.55/197,578.98 = 79,504.35/x
  3. Step 3: Cross multiply
    143,166.55x = 197,578.98 × 79,504.35
  4. Step 4: Simplify right side
    143,166.55x = 15,708,388,378.56
  5. Step 5: Solve for x
    x = 15,708,388,378.56/143,166.55
  6. Step 6: Final answer
    x = 109,721.08

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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.