Home / 144,133.42-198,891.03-80,459.50

Finding the Fourth Proportional to 144,133.42, 198,891.03 and 80,459.50

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Solution

The fourth proportional to 144,133.42, 198,891.03 and 80,459.50 is: 111,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,133.42 : 198,891.03 = 80,459.50 : x
  2. Step 2: Convert to fraction form
    144,133.42/198,891.03 = 80,459.50/x
  3. Step 3: Cross multiply
    144,133.42x = 198,891.03 × 80,459.50
  4. Step 4: Simplify right side
    144,133.42x = 16,002,672,828.29
  5. Step 5: Solve for x
    x = 16,002,672,828.29/144,133.42
  6. Step 6: Final answer
    x = 111,026.80

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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.