Home / 112,780.04-169,151.15-52,814.79

Finding the Fourth Proportional to 112,780.04, 169,151.15 and 52,814.79

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Solution

The fourth proportional to 112,780.04, 169,151.15 and 52,814.79 is: 79,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,780.04 : 169,151.15 = 52,814.79 : x
  2. Step 2: Convert to fraction form
    112,780.04/169,151.15 = 52,814.79/x
  3. Step 3: Cross multiply
    112,780.04x = 169,151.15 × 52,814.79
  4. Step 4: Simplify right side
    112,780.04x = 8,933,682,597.55
  5. Step 5: Solve for x
    x = 8,933,682,597.55/112,780.04
  6. Step 6: Final answer
    x = 79,213.33

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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.