Home / 143,182.66-197,592.54-79,520.46

Finding the Fourth Proportional to 143,182.66, 197,592.54 and 79,520.46

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Solution

The fourth proportional to 143,182.66, 197,592.54 and 79,520.46 is: 109,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,182.66 : 197,592.54 = 79,520.46 : x
  2. Step 2: Convert to fraction form
    143,182.66/197,592.54 = 79,520.46/x
  3. Step 3: Cross multiply
    143,182.66x = 197,592.54 × 79,520.46
  4. Step 4: Simplify right side
    143,182.66x = 15,712,649,673.37
  5. Step 5: Solve for x
    x = 15,712,649,673.37/143,182.66
  6. Step 6: Final answer
    x = 109,738.50

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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.