Home / 209,041.86-288,367.20-132,425.81

Finding the Fourth Proportional to 209,041.86, 288,367.20 and 132,425.81

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Solution

The fourth proportional to 209,041.86, 288,367.20 and 132,425.81 is: 182,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,041.86 : 288,367.20 = 132,425.81 : x
  2. Step 2: Convert to fraction form
    209,041.86/288,367.20 = 132,425.81/x
  3. Step 3: Cross multiply
    209,041.86x = 288,367.20 × 132,425.81
  4. Step 4: Simplify right side
    209,041.86x = 38,187,260,037.43
  5. Step 5: Solve for x
    x = 38,187,260,037.43/209,041.86
  6. Step 6: Final answer
    x = 182,677.57

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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.