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Finding the Fourth Proportional to 113,798.54, 157,115.96 and 101,841.32

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Solution

The fourth proportional to 113,798.54, 157,115.96 and 101,841.32 is: 140,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,798.54 : 157,115.96 = 101,841.32 : x
  2. Step 2: Convert to fraction form
    113,798.54/157,115.96 = 101,841.32/x
  3. Step 3: Cross multiply
    113,798.54x = 157,115.96 × 101,841.32
  4. Step 4: Simplify right side
    113,798.54x = 16,000,895,464.68
  5. Step 5: Solve for x
    x = 16,000,895,464.68/113,798.54
  6. Step 6: Final answer
    x = 140,607.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.