Home / 146,032.78-201,535.36-81,514.58

Finding the Fourth Proportional to 146,032.78, 201,535.36 and 81,514.58

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Solution

The fourth proportional to 146,032.78, 201,535.36 and 81,514.58 is: 112,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,032.78 : 201,535.36 = 81,514.58 : x
  2. Step 2: Convert to fraction form
    146,032.78/201,535.36 = 81,514.58/x
  3. Step 3: Cross multiply
    146,032.78x = 201,535.36 × 81,514.58
  4. Step 4: Simplify right side
    146,032.78x = 16,428,069,472.61
  5. Step 5: Solve for x
    x = 16,428,069,472.61/146,032.78
  6. Step 6: Final answer
    x = 112,495.76

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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.