Home / 145,596.92-200,923.12-81,935.80

Finding the Fourth Proportional to 145,596.92, 200,923.12 and 81,935.80

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Solution

The fourth proportional to 145,596.92, 200,923.12 and 81,935.80 is: 113,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,596.92 : 200,923.12 = 81,935.80 : x
  2. Step 2: Convert to fraction form
    145,596.92/200,923.12 = 81,935.80/x
  3. Step 3: Cross multiply
    145,596.92x = 200,923.12 × 81,935.80
  4. Step 4: Simplify right side
    145,596.92x = 16,462,796,575.70
  5. Step 5: Solve for x
    x = 16,462,796,575.70/145,596.92
  6. Step 6: Final answer
    x = 113,071.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.