Home / 112,384.20-168,770.70-73,115.40

Finding the Fourth Proportional to 112,384.20, 168,770.70 and 73,115.40

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Solution

The fourth proportional to 112,384.20, 168,770.70 and 73,115.40 is: 109,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,384.20 : 168,770.70 = 73,115.40 : x
  2. Step 2: Convert to fraction form
    112,384.20/168,770.70 = 73,115.40/x
  3. Step 3: Cross multiply
    112,384.20x = 168,770.70 × 73,115.40
  4. Step 4: Simplify right side
    112,384.20x = 12,339,737,238.78
  5. Step 5: Solve for x
    x = 12,339,737,238.78/112,384.20
  6. Step 6: Final answer
    x = 109,799.57

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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.