Home / 205,416.90-308,125.35-116,843.40

Finding the Fourth Proportional to 205,416.90, 308,125.35 and 116,843.40

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Solution

The fourth proportional to 205,416.90, 308,125.35 and 116,843.40 is: 175,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,416.90 : 308,125.35 = 116,843.40 : x
  2. Step 2: Convert to fraction form
    205,416.90/308,125.35 = 116,843.40/x
  3. Step 3: Cross multiply
    205,416.90x = 308,125.35 × 116,843.40
  4. Step 4: Simplify right side
    205,416.90x = 36,002,413,520.19
  5. Step 5: Solve for x
    x = 36,002,413,520.19/205,416.90
  6. Step 6: Final answer
    x = 175,265.10

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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.