Home / 135,941.60-203,815.20-61,000.40

Finding the Fourth Proportional to 135,941.60, 203,815.20 and 61,000.40

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Solution

The fourth proportional to 135,941.60, 203,815.20 and 61,000.40 is: 91,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,941.60 : 203,815.20 = 61,000.40 : x
  2. Step 2: Convert to fraction form
    135,941.60/203,815.20 = 61,000.40/x
  3. Step 3: Cross multiply
    135,941.60x = 203,815.20 × 61,000.40
  4. Step 4: Simplify right side
    135,941.60x = 12,432,808,726.08
  5. Step 5: Solve for x
    x = 12,432,808,726.08/135,941.60
  6. Step 6: Final answer
    x = 91,456.98

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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.