Home / 146,747.42-220,168.41-66,813.98

Finding the Fourth Proportional to 146,747.42, 220,168.41 and 66,813.98

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Solution

The fourth proportional to 146,747.42, 220,168.41 and 66,813.98 is: 100,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,747.42 : 220,168.41 = 66,813.98 : x
  2. Step 2: Convert to fraction form
    146,747.42/220,168.41 = 66,813.98/x
  3. Step 3: Cross multiply
    146,747.42x = 220,168.41 × 66,813.98
  4. Step 4: Simplify right side
    146,747.42x = 14,710,327,742.37
  5. Step 5: Solve for x
    x = 14,710,327,742.37/146,747.42
  6. Step 6: Final answer
    x = 100,242.50

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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.