Home / 136,358.20-204,548.82-42,890.68

Finding the Fourth Proportional to 136,358.20, 204,548.82 and 42,890.68

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Solution

The fourth proportional to 136,358.20, 204,548.82 and 42,890.68 is: 64,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,358.20 : 204,548.82 = 42,890.68 : x
  2. Step 2: Convert to fraction form
    136,358.20/204,548.82 = 42,890.68/x
  3. Step 3: Cross multiply
    136,358.20x = 204,548.82 × 42,890.68
  4. Step 4: Simplify right side
    136,358.20x = 8,773,237,983.00
  5. Step 5: Solve for x
    x = 8,773,237,983.00/136,358.20
  6. Step 6: Final answer
    x = 64,339.64

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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.