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Finding the Fourth Proportional to 181,755, 272,688.10 and 93,071.26

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Solution

The fourth proportional to 181,755, 272,688.10 and 93,071.26 is: 139,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,755 : 272,688.10 = 93,071.26 : x
  2. Step 2: Convert to fraction form
    181,755/272,688.10 = 93,071.26/x
  3. Step 3: Cross multiply
    181,755x = 272,688.10 × 93,071.26
  4. Step 4: Simplify right side
    181,755x = 25,379,425,054.01
  5. Step 5: Solve for x
    x = 25,379,425,054.01/181,755
  6. Step 6: Final answer
    x = 139,635.36

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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.