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Finding the Fourth Proportional to 173,702.10, 260,747.55 and 134,433.30

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Solution

The fourth proportional to 173,702.10, 260,747.55 and 134,433.30 is: 201,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,702.10 : 260,747.55 = 134,433.30 : x
  2. Step 2: Convert to fraction form
    173,702.10/260,747.55 = 134,433.30/x
  3. Step 3: Cross multiply
    173,702.10x = 260,747.55 × 134,433.30
  4. Step 4: Simplify right side
    173,702.10x = 35,053,153,613.42
  5. Step 5: Solve for x
    x = 35,053,153,613.42/173,702.10
  6. Step 6: Final answer
    x = 201,800.40

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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.