Home / 101,922.71-140,663.28-58,904.42

Finding the Fourth Proportional to 101,922.71, 140,663.28 and 58,904.42

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Solution

The fourth proportional to 101,922.71, 140,663.28 and 58,904.42 is: 81,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,922.71 : 140,663.28 = 58,904.42 : x
  2. Step 2: Convert to fraction form
    101,922.71/140,663.28 = 58,904.42/x
  3. Step 3: Cross multiply
    101,922.71x = 140,663.28 × 58,904.42
  4. Step 4: Simplify right side
    101,922.71x = 8,285,688,441.27
  5. Step 5: Solve for x
    x = 8,285,688,441.27/101,922.71
  6. Step 6: Final answer
    x = 81,293.84

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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.