Home / 133,100.23-183,612.03-79,347.37

Finding the Fourth Proportional to 133,100.23, 183,612.03 and 79,347.37

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Solution

The fourth proportional to 133,100.23, 183,612.03 and 79,347.37 is: 109,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,100.23 : 183,612.03 = 79,347.37 : x
  2. Step 2: Convert to fraction form
    133,100.23/183,612.03 = 79,347.37/x
  3. Step 3: Cross multiply
    133,100.23x = 183,612.03 × 79,347.37
  4. Step 4: Simplify right side
    133,100.23x = 14,569,131,680.86
  5. Step 5: Solve for x
    x = 14,569,131,680.86/133,100.23
  6. Step 6: Final answer
    x = 109,459.85

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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.