Home / 156,112.68-234,206.28-50,931.75

Finding the Fourth Proportional to 156,112.68, 234,206.28 and 50,931.75

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Solution

The fourth proportional to 156,112.68, 234,206.28 and 50,931.75 is: 76,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,112.68 : 234,206.28 = 50,931.75 : x
  2. Step 2: Convert to fraction form
    156,112.68/234,206.28 = 50,931.75/x
  3. Step 3: Cross multiply
    156,112.68x = 234,206.28 × 50,931.75
  4. Step 4: Simplify right side
    156,112.68x = 11,928,535,701.39
  5. Step 5: Solve for x
    x = 11,928,535,701.39/156,112.68
  6. Step 6: Final answer
    x = 76,409.78

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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.