Home / 146,889.27-220,307.34-66,908.64

Finding the Fourth Proportional to 146,889.27, 220,307.34 and 66,908.64

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Solution

The fourth proportional to 146,889.27, 220,307.34 and 66,908.64 is: 100,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,889.27 : 220,307.34 = 66,908.64 : x
  2. Step 2: Convert to fraction form
    146,889.27/220,307.34 = 66,908.64/x
  3. Step 3: Cross multiply
    146,889.27x = 220,307.34 × 66,908.64
  4. Step 4: Simplify right side
    146,889.27x = 14,740,464,501.42
  5. Step 5: Solve for x
    x = 14,740,464,501.42/146,889.27
  6. Step 6: Final answer
    x = 100,350.86

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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.