Home / 133,287.70-183,941.94-72,862.38

Finding the Fourth Proportional to 133,287.70, 183,941.94 and 72,862.38

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Solution

The fourth proportional to 133,287.70, 183,941.94 and 72,862.38 is: 100,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,287.70 : 183,941.94 = 72,862.38 : x
  2. Step 2: Convert to fraction form
    133,287.70/183,941.94 = 72,862.38/x
  3. Step 3: Cross multiply
    133,287.70x = 183,941.94 × 72,862.38
  4. Step 4: Simplify right side
    133,287.70x = 13,402,447,530.22
  5. Step 5: Solve for x
    x = 13,402,447,530.22/133,287.70
  6. Step 6: Final answer
    x = 100,552.77

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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.