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Finding the Fourth Proportional to 145,504.52, 200,794.20 and 81,842.39

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Solution

The fourth proportional to 145,504.52, 200,794.20 and 81,842.39 is: 112,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,504.52 : 200,794.20 = 81,842.39 : x
  2. Step 2: Convert to fraction form
    145,504.52/200,794.20 = 81,842.39/x
  3. Step 3: Cross multiply
    145,504.52x = 200,794.20 × 81,842.39
  4. Step 4: Simplify right side
    145,504.52x = 16,433,477,226.14
  5. Step 5: Solve for x
    x = 16,433,477,226.14/145,504.52
  6. Step 6: Final answer
    x = 112,941.35

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1.5x scale

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.