Home / 133,295.25-183,947.01-72,865.91

Finding the Fourth Proportional to 133,295.25, 183,947.01 and 72,865.91

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Solution

The fourth proportional to 133,295.25, 183,947.01 and 72,865.91 is: 100,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,295.25 : 183,947.01 = 72,865.91 : x
  2. Step 2: Convert to fraction form
    133,295.25/183,947.01 = 72,865.91/x
  3. Step 3: Cross multiply
    133,295.25x = 183,947.01 × 72,865.91
  4. Step 4: Simplify right side
    133,295.25x = 13,403,465,355.69
  5. Step 5: Solve for x
    x = 13,403,465,355.69/133,295.25
  6. Step 6: Final answer
    x = 100,554.71

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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.