Home / 136,117.46-204,176.19-42,630.50

Finding the Fourth Proportional to 136,117.46, 204,176.19 and 42,630.50

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Solution

The fourth proportional to 136,117.46, 204,176.19 and 42,630.50 is: 63,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,117.46 : 204,176.19 = 42,630.50 : x
  2. Step 2: Convert to fraction form
    136,117.46/204,176.19 = 42,630.50/x
  3. Step 3: Cross multiply
    136,117.46x = 204,176.19 × 42,630.50
  4. Step 4: Simplify right side
    136,117.46x = 8,704,133,067.80
  5. Step 5: Solve for x
    x = 8,704,133,067.80/136,117.46
  6. Step 6: Final answer
    x = 63,945.75

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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.