Home / 130,197.24-179,675.55-72,834.66

Finding the Fourth Proportional to 130,197.24, 179,675.55 and 72,834.66

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Solution

The fourth proportional to 130,197.24, 179,675.55 and 72,834.66 is: 100,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,197.24 : 179,675.55 = 72,834.66 : x
  2. Step 2: Convert to fraction form
    130,197.24/179,675.55 = 72,834.66/x
  3. Step 3: Cross multiply
    130,197.24x = 179,675.55 × 72,834.66
  4. Step 4: Simplify right side
    130,197.24x = 13,086,607,594.56
  5. Step 5: Solve for x
    x = 13,086,607,594.56/130,197.24
  6. Step 6: Final answer
    x = 100,513.71

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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.