Home / 133,148.04-183,745.31-72,717.58

Finding the Fourth Proportional to 133,148.04, 183,745.31 and 72,717.58

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Solution

The fourth proportional to 133,148.04, 183,745.31 and 72,717.58 is: 100,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,148.04 : 183,745.31 = 72,717.58 : x
  2. Step 2: Convert to fraction form
    133,148.04/183,745.31 = 72,717.58/x
  3. Step 3: Cross multiply
    133,148.04x = 183,745.31 × 72,717.58
  4. Step 4: Simplify right side
    133,148.04x = 13,361,514,554.68
  5. Step 5: Solve for x
    x = 13,361,514,554.68/133,148.04
  6. Step 6: Final answer
    x = 100,350.82

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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.