Home / 135,923.96-203,885.94-42,437.72

Finding the Fourth Proportional to 135,923.96, 203,885.94 and 42,437.72

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Solution

The fourth proportional to 135,923.96, 203,885.94 and 42,437.72 is: 63,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,923.96 : 203,885.94 = 42,437.72 : x
  2. Step 2: Convert to fraction form
    135,923.96/203,885.94 = 42,437.72/x
  3. Step 3: Cross multiply
    135,923.96x = 203,885.94 × 42,437.72
  4. Step 4: Simplify right side
    135,923.96x = 8,652,454,433.66
  5. Step 5: Solve for x
    x = 8,652,454,433.66/135,923.96
  6. Step 6: Final answer
    x = 63,656.58

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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.