Home / 205,271.10-307,906.65-134,768.70

Finding the Fourth Proportional to 205,271.10, 307,906.65 and 134,768.70

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Solution

The fourth proportional to 205,271.10, 307,906.65 and 134,768.70 is: 202,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,271.10 : 307,906.65 = 134,768.70 : x
  2. Step 2: Convert to fraction form
    205,271.10/307,906.65 = 134,768.70/x
  3. Step 3: Cross multiply
    205,271.10x = 307,906.65 × 134,768.70
  4. Step 4: Simplify right side
    205,271.10x = 41,496,178,941.86
  5. Step 5: Solve for x
    x = 41,496,178,941.86/205,271.10
  6. Step 6: Final answer
    x = 202,153.05

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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.