Home / 135,942.48-203,913.72-42,456.24

Finding the Fourth Proportional to 135,942.48, 203,913.72 and 42,456.24

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Solution

The fourth proportional to 135,942.48, 203,913.72 and 42,456.24 is: 63,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,942.48 : 203,913.72 = 42,456.24 : x
  2. Step 2: Convert to fraction form
    135,942.48/203,913.72 = 42,456.24/x
  3. Step 3: Cross multiply
    135,942.48x = 203,913.72 × 42,456.24
  4. Step 4: Simplify right side
    135,942.48x = 8,657,409,835.61
  5. Step 5: Solve for x
    x = 8,657,409,835.61/135,942.48
  6. Step 6: Final answer
    x = 63,684.36

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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.