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Finding the Fourth Proportional to 157,072.61, 235,623.50 and 63,585.65

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Solution

The fourth proportional to 157,072.61, 235,623.50 and 63,585.65 is: 95,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,072.61 : 235,623.50 = 63,585.65 : x
  2. Step 2: Convert to fraction form
    157,072.61/235,623.50 = 63,585.65/x
  3. Step 3: Cross multiply
    157,072.61x = 235,623.50 × 63,585.65
  4. Step 4: Simplify right side
    157,072.61x = 14,982,271,906.73
  5. Step 5: Solve for x
    x = 14,982,271,906.73/157,072.61
  6. Step 6: Final answer
    x = 95,384.37

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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.