Home / 135,478.17-203,142.60-46,658.43

Finding the Fourth Proportional to 135,478.17, 203,142.60 and 46,658.43

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Solution

The fourth proportional to 135,478.17, 203,142.60 and 46,658.43 is: 69,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,478.17 : 203,142.60 = 46,658.43 : x
  2. Step 2: Convert to fraction form
    135,478.17/203,142.60 = 46,658.43/x
  3. Step 3: Cross multiply
    135,478.17x = 203,142.60 × 46,658.43
  4. Step 4: Simplify right side
    135,478.17x = 9,478,314,782.12
  5. Step 5: Solve for x
    x = 9,478,314,782.12/135,478.17
  6. Step 6: Final answer
    x = 69,961.93

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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.