Home / 103,405.06-142,676.85-60,365.02

Finding the Fourth Proportional to 103,405.06, 142,676.85 and 60,365.02

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Solution

The fourth proportional to 103,405.06, 142,676.85 and 60,365.02 is: 83,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,405.06 : 142,676.85 = 60,365.02 : x
  2. Step 2: Convert to fraction form
    103,405.06/142,676.85 = 60,365.02/x
  3. Step 3: Cross multiply
    103,405.06x = 142,676.85 × 60,365.02
  4. Step 4: Simplify right side
    103,405.06x = 8,612,690,396.18
  5. Step 5: Solve for x
    x = 8,612,690,396.18/103,405.06
  6. Step 6: Final answer
    x = 83,290.80

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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.