Home / 147,239-203,177.02-83,579.48

Finding the Fourth Proportional to 147,239, 203,177.02 and 83,579.48

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Solution

The fourth proportional to 147,239, 203,177.02 and 83,579.48 is: 115,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,239 : 203,177.02 = 83,579.48 : x
  2. Step 2: Convert to fraction form
    147,239/203,177.02 = 83,579.48/x
  3. Step 3: Cross multiply
    147,239x = 203,177.02 × 83,579.48
  4. Step 4: Simplify right side
    147,239x = 16,981,429,679.55
  5. Step 5: Solve for x
    x = 16,981,429,679.55/147,239
  6. Step 6: Final answer
    x = 115,332.42

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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.