Home / 79,350.63-119,024.10-20,186.34

Finding the Fourth Proportional to 79,350.63, 119,024.10 and 20,186.34

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Solution

The fourth proportional to 79,350.63, 119,024.10 and 20,186.34 is: 30,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350.63 : 119,024.10 = 20,186.34 : x
  2. Step 2: Convert to fraction form
    79,350.63/119,024.10 = 20,186.34/x
  3. Step 3: Cross multiply
    79,350.63x = 119,024.10 × 20,186.34
  4. Step 4: Simplify right side
    79,350.63x = 2,402,660,950.79
  5. Step 5: Solve for x
    x = 2,402,660,950.79/79,350.63
  6. Step 6: Final answer
    x = 30,279.04

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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.