Home / 113,421.82-170,124.54-54,241.60

Finding the Fourth Proportional to 113,421.82, 170,124.54 and 54,241.60

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Solution

The fourth proportional to 113,421.82, 170,124.54 and 54,241.60 is: 81,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421.82 : 170,124.54 = 54,241.60 : x
  2. Step 2: Convert to fraction form
    113,421.82/170,124.54 = 54,241.60/x
  3. Step 3: Cross multiply
    113,421.82x = 170,124.54 × 54,241.60
  4. Step 4: Simplify right side
    113,421.82x = 9,227,827,248.86
  5. Step 5: Solve for x
    x = 9,227,827,248.86/113,421.82
  6. Step 6: Final answer
    x = 81,358.48

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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.