Home / 146,749.95-220,098.87-66,769.34

Finding the Fourth Proportional to 146,749.95, 220,098.87 and 66,769.34

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Solution

The fourth proportional to 146,749.95, 220,098.87 and 66,769.34 is: 100,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,749.95 : 220,098.87 = 66,769.34 : x
  2. Step 2: Convert to fraction form
    146,749.95/220,098.87 = 66,769.34/x
  3. Step 3: Cross multiply
    146,749.95x = 220,098.87 × 66,769.34
  4. Step 4: Simplify right side
    146,749.95x = 14,695,855,184.15
  5. Step 5: Solve for x
    x = 14,695,855,184.15/146,749.95
  6. Step 6: Final answer
    x = 100,142.15

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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.