Home / 133,320.33-183,993.39-75,977.19

Finding the Fourth Proportional to 133,320.33, 183,993.39 and 75,977.19

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Solution

The fourth proportional to 133,320.33, 183,993.39 and 75,977.19 is: 104,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,320.33 : 183,993.39 = 75,977.19 : x
  2. Step 2: Convert to fraction form
    133,320.33/183,993.39 = 75,977.19/x
  3. Step 3: Cross multiply
    133,320.33x = 183,993.39 × 75,977.19
  4. Step 4: Simplify right side
    133,320.33x = 13,979,300,750.77
  5. Step 5: Solve for x
    x = 13,979,300,750.77/133,320.33
  6. Step 6: Final answer
    x = 104,854.98

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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.