Home / 136,274.08-204,488.88-53,148.64

Finding the Fourth Proportional to 136,274.08, 204,488.88 and 53,148.64

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Solution

The fourth proportional to 136,274.08, 204,488.88 and 53,148.64 is: 79,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,274.08 : 204,488.88 = 53,148.64 : x
  2. Step 2: Convert to fraction form
    136,274.08/204,488.88 = 53,148.64/x
  3. Step 3: Cross multiply
    136,274.08x = 204,488.88 × 53,148.64
  4. Step 4: Simplify right side
    136,274.08x = 10,868,305,867.12
  5. Step 5: Solve for x
    x = 10,868,305,867.12/136,274.08
  6. Step 6: Final answer
    x = 79,753.29

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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.