Home / 113,813.64-170,753.40-47,241.36

Finding the Fourth Proportional to 113,813.64, 170,753.40 and 47,241.36

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Solution

The fourth proportional to 113,813.64, 170,753.40 and 47,241.36 is: 70,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,813.64 : 170,753.40 = 47,241.36 : x
  2. Step 2: Convert to fraction form
    113,813.64/170,753.40 = 47,241.36/x
  3. Step 3: Cross multiply
    113,813.64x = 170,753.40 × 47,241.36
  4. Step 4: Simplify right side
    113,813.64x = 8,066,622,840.62
  5. Step 5: Solve for x
    x = 8,066,622,840.62/113,813.64
  6. Step 6: Final answer
    x = 70,875.71

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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.