Home / 208,267.30-312,336.32-75,130.18

Finding the Fourth Proportional to 208,267.30, 312,336.32 and 75,130.18

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Solution

The fourth proportional to 208,267.30, 312,336.32 and 75,130.18 is: 112,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,267.30 : 312,336.32 = 75,130.18 : x
  2. Step 2: Convert to fraction form
    208,267.30/312,336.32 = 75,130.18/x
  3. Step 3: Cross multiply
    208,267.30x = 312,336.32 × 75,130.18
  4. Step 4: Simplify right side
    208,267.30x = 23,465,882,380.46
  5. Step 5: Solve for x
    x = 23,465,882,380.46/208,267.30
  6. Step 6: Final answer
    x = 112,671.95

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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.