Home / 133,021.81-183,562.72-75,653.38

Finding the Fourth Proportional to 133,021.81, 183,562.72 and 75,653.38

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Solution

The fourth proportional to 133,021.81, 183,562.72 and 75,653.38 is: 104,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021.81 : 183,562.72 = 75,653.38 : x
  2. Step 2: Convert to fraction form
    133,021.81/183,562.72 = 75,653.38/x
  3. Step 3: Cross multiply
    133,021.81x = 183,562.72 × 75,653.38
  4. Step 4: Simplify right side
    133,021.81x = 13,887,140,209.99
  5. Step 5: Solve for x
    x = 13,887,140,209.99/133,021.81
  6. Step 6: Final answer
    x = 104,397.47

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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.