Home / 136,370.10-204,604.50-69,841.56

Finding the Fourth Proportional to 136,370.10, 204,604.50 and 69,841.56

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Solution

The fourth proportional to 136,370.10, 204,604.50 and 69,841.56 is: 104,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,370.10 : 204,604.50 = 69,841.56 : x
  2. Step 2: Convert to fraction form
    136,370.10/204,604.50 = 69,841.56/x
  3. Step 3: Cross multiply
    136,370.10x = 204,604.50 × 69,841.56
  4. Step 4: Simplify right side
    136,370.10x = 14,289,897,463.02
  5. Step 5: Solve for x
    x = 14,289,897,463.02/136,370.10
  6. Step 6: Final answer
    x = 104,787.61

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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.