Home / 143,588.70-198,147.06-79,925.13

Finding the Fourth Proportional to 143,588.70, 198,147.06 and 79,925.13

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Solution

The fourth proportional to 143,588.70, 198,147.06 and 79,925.13 is: 110,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,588.70 : 198,147.06 = 79,925.13 : x
  2. Step 2: Convert to fraction form
    143,588.70/198,147.06 = 79,925.13/x
  3. Step 3: Cross multiply
    143,588.70x = 198,147.06 × 79,925.13
  4. Step 4: Simplify right side
    143,588.70x = 15,836,929,529.62
  5. Step 5: Solve for x
    x = 15,836,929,529.62/143,588.70
  6. Step 6: Final answer
    x = 110,293.70

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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.