Home / 146,939.39-220,408.12-40,315.01

Finding the Fourth Proportional to 146,939.39, 220,408.12 and 40,315.01

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Solution

The fourth proportional to 146,939.39, 220,408.12 and 40,315.01 is: 60,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,939.39 : 220,408.12 = 40,315.01 : x
  2. Step 2: Convert to fraction form
    146,939.39/220,408.12 = 40,315.01/x
  3. Step 3: Cross multiply
    146,939.39x = 220,408.12 × 40,315.01
  4. Step 4: Simplify right side
    146,939.39x = 8,885,755,561.88
  5. Step 5: Solve for x
    x = 8,885,755,561.88/146,939.39
  6. Step 6: Final answer
    x = 60,472.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.