Home / 100,826.49-151,333.29-50,941.63

Finding the Fourth Proportional to 100,826.49, 151,333.29 and 50,941.63

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Solution

The fourth proportional to 100,826.49, 151,333.29 and 50,941.63 is: 76,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,826.49 : 151,333.29 = 50,941.63 : x
  2. Step 2: Convert to fraction form
    100,826.49/151,333.29 = 50,941.63/x
  3. Step 3: Cross multiply
    100,826.49x = 151,333.29 × 50,941.63
  4. Step 4: Simplify right side
    100,826.49x = 7,709,164,465.86
  5. Step 5: Solve for x
    x = 7,709,164,465.86/100,826.49
  6. Step 6: Final answer
    x = 76,459.71

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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.