Home / 156,628.39-235,137.90-155,908.75

Finding the Fourth Proportional to 156,628.39, 235,137.90 and 155,908.75

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Solution

The fourth proportional to 156,628.39, 235,137.90 and 155,908.75 is: 234,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628.39 : 235,137.90 = 155,908.75 : x
  2. Step 2: Convert to fraction form
    156,628.39/235,137.90 = 155,908.75/x
  3. Step 3: Cross multiply
    156,628.39x = 235,137.90 × 155,908.75
  4. Step 4: Simplify right side
    156,628.39x = 36,660,056,066.63
  5. Step 5: Solve for x
    x = 36,660,056,066.63/156,628.39
  6. Step 6: Final answer
    x = 234,057.54

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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.