Home / 145,553.09-218,329.92-40,372.34

Finding the Fourth Proportional to 145,553.09, 218,329.92 and 40,372.34

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Solution

The fourth proportional to 145,553.09, 218,329.92 and 40,372.34 is: 60,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,553.09 : 218,329.92 = 40,372.34 : x
  2. Step 2: Convert to fraction form
    145,553.09/218,329.92 = 40,372.34/x
  3. Step 3: Cross multiply
    145,553.09x = 218,329.92 × 40,372.34
  4. Step 4: Simplify right side
    145,553.09x = 8,814,488,670.76
  5. Step 5: Solve for x
    x = 8,814,488,670.76/145,553.09
  6. Step 6: Final answer
    x = 60,558.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.