Home / 147,651.30-221,506.08-54,157.86

Finding the Fourth Proportional to 147,651.30, 221,506.08 and 54,157.86

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Solution

The fourth proportional to 147,651.30, 221,506.08 and 54,157.86 is: 81,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,651.30 : 221,506.08 = 54,157.86 : x
  2. Step 2: Convert to fraction form
    147,651.30/221,506.08 = 54,157.86/x
  3. Step 3: Cross multiply
    147,651.30x = 221,506.08 × 54,157.86
  4. Step 4: Simplify right side
    147,651.30x = 11,996,295,269.79
  5. Step 5: Solve for x
    x = 11,996,295,269.79/147,651.30
  6. Step 6: Final answer
    x = 81,247.47

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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.