Home / 133,886.16-200,830.68-40,392.72

Finding the Fourth Proportional to 133,886.16, 200,830.68 and 40,392.72

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Solution

The fourth proportional to 133,886.16, 200,830.68 and 40,392.72 is: 60,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,886.16 : 200,830.68 = 40,392.72 : x
  2. Step 2: Convert to fraction form
    133,886.16/200,830.68 = 40,392.72/x
  3. Step 3: Cross multiply
    133,886.16x = 200,830.68 × 40,392.72
  4. Step 4: Simplify right side
    133,886.16x = 8,112,097,424.65
  5. Step 5: Solve for x
    x = 8,112,097,424.65/133,886.16
  6. Step 6: Final answer
    x = 60,589.51

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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.