Home / 131,736.77-197,636.58-42,990.44

Finding the Fourth Proportional to 131,736.77, 197,636.58 and 42,990.44

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Solution

The fourth proportional to 131,736.77, 197,636.58 and 42,990.44 is: 64,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.77 : 197,636.58 = 42,990.44 : x
  2. Step 2: Convert to fraction form
    131,736.77/197,636.58 = 42,990.44/x
  3. Step 3: Cross multiply
    131,736.77x = 197,636.58 × 42,990.44
  4. Step 4: Simplify right side
    131,736.77x = 8,496,482,546.11
  5. Step 5: Solve for x
    x = 8,496,482,546.11/131,736.77
  6. Step 6: Final answer
    x = 64,495.91

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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.