Home / 103,243.82-142,477.45-57,922.76

Finding the Fourth Proportional to 103,243.82, 142,477.45 and 57,922.76

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Solution

The fourth proportional to 103,243.82, 142,477.45 and 57,922.76 is: 79,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,243.82 : 142,477.45 = 57,922.76 : x
  2. Step 2: Convert to fraction form
    103,243.82/142,477.45 = 57,922.76/x
  3. Step 3: Cross multiply
    103,243.82x = 142,477.45 × 57,922.76
  4. Step 4: Simplify right side
    103,243.82x = 8,252,687,353.15
  5. Step 5: Solve for x
    x = 8,252,687,353.15/103,243.82
  6. Step 6: Final answer
    x = 79,933.96

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1.5x scale

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.