Home / 205,329.60-308,311.20-112,017.60

Finding the Fourth Proportional to 205,329.60, 308,311.20 and 112,017.60

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Solution

The fourth proportional to 205,329.60, 308,311.20 and 112,017.60 is: 168,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,329.60 : 308,311.20 = 112,017.60 : x
  2. Step 2: Convert to fraction form
    205,329.60/308,311.20 = 112,017.60/x
  3. Step 3: Cross multiply
    205,329.60x = 308,311.20 × 112,017.60
  4. Step 4: Simplify right side
    205,329.60x = 34,536,280,677.12
  5. Step 5: Solve for x
    x = 34,536,280,677.12/205,329.60
  6. Step 6: Final answer
    x = 168,199.23

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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.