Home / 103,241.61-142,456.14-60,808.53

Finding the Fourth Proportional to 103,241.61, 142,456.14 and 60,808.53

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Solution

The fourth proportional to 103,241.61, 142,456.14 and 60,808.53 is: 83,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,241.61 : 142,456.14 = 60,808.53 : x
  2. Step 2: Convert to fraction form
    103,241.61/142,456.14 = 60,808.53/x
  3. Step 3: Cross multiply
    103,241.61x = 142,456.14 × 60,808.53
  4. Step 4: Simplify right side
    103,241.61x = 8,662,548,462.87
  5. Step 5: Solve for x
    x = 8,662,548,462.87/103,241.61
  6. Step 6: Final answer
    x = 83,905.59

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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.