Home / 109,213.80-163,826.10-56,725.80

Finding the Fourth Proportional to 109,213.80, 163,826.10 and 56,725.80

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Solution

The fourth proportional to 109,213.80, 163,826.10 and 56,725.80 is: 85,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,213.80 : 163,826.10 = 56,725.80 : x
  2. Step 2: Convert to fraction form
    109,213.80/163,826.10 = 56,725.80/x
  3. Step 3: Cross multiply
    109,213.80x = 163,826.10 × 56,725.80
  4. Step 4: Simplify right side
    109,213.80x = 9,293,166,583.38
  5. Step 5: Solve for x
    x = 9,293,166,583.38/109,213.80
  6. Step 6: Final answer
    x = 85,091.50

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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.