Home / 134,945.11-186,223.04-74,514.45

Finding the Fourth Proportional to 134,945.11, 186,223.04 and 74,514.45

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Solution

The fourth proportional to 134,945.11, 186,223.04 and 74,514.45 is: 102,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,945.11 : 186,223.04 = 74,514.45 : x
  2. Step 2: Convert to fraction form
    134,945.11/186,223.04 = 74,514.45/x
  3. Step 3: Cross multiply
    134,945.11x = 186,223.04 × 74,514.45
  4. Step 4: Simplify right side
    134,945.11x = 13,876,307,402.93
  5. Step 5: Solve for x
    x = 13,876,307,402.93/134,945.11
  6. Step 6: Final answer
    x = 102,829.27

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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.