Home / 134,700.30-185,887.71-74,273.36

Finding the Fourth Proportional to 134,700.30, 185,887.71 and 74,273.36

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Solution

The fourth proportional to 134,700.30, 185,887.71 and 74,273.36 is: 102,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,700.30 : 185,887.71 = 74,273.36 : x
  2. Step 2: Convert to fraction form
    134,700.30/185,887.71 = 74,273.36/x
  3. Step 3: Cross multiply
    134,700.30x = 185,887.71 × 74,273.36
  4. Step 4: Simplify right side
    134,700.30x = 13,806,503,874.97
  5. Step 5: Solve for x
    x = 13,806,503,874.97/134,700.30
  6. Step 6: Final answer
    x = 102,497.94

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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.