Home / 135,924.71-203,887.07-42,438.47

Finding the Fourth Proportional to 135,924.71, 203,887.07 and 42,438.47

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Solution

The fourth proportional to 135,924.71, 203,887.07 and 42,438.47 is: 63,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,924.71 : 203,887.07 = 42,438.47 : x
  2. Step 2: Convert to fraction form
    135,924.71/203,887.07 = 42,438.47/x
  3. Step 3: Cross multiply
    135,924.71x = 203,887.07 × 42,438.47
  4. Step 4: Simplify right side
    135,924.71x = 8,652,655,091.39
  5. Step 5: Solve for x
    x = 8,652,655,091.39/135,924.71
  6. Step 6: Final answer
    x = 63,657.71

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1.5x scale

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.