Home / 131,905.54-182,032.99-80,946.42

Finding the Fourth Proportional to 131,905.54, 182,032.99 and 80,946.42

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Solution

The fourth proportional to 131,905.54, 182,032.99 and 80,946.42 is: 111,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,905.54 : 182,032.99 = 80,946.42 : x
  2. Step 2: Convert to fraction form
    131,905.54/182,032.99 = 80,946.42/x
  3. Step 3: Cross multiply
    131,905.54x = 182,032.99 × 80,946.42
  4. Step 4: Simplify right side
    131,905.54x = 14,734,918,862.40
  5. Step 5: Solve for x
    x = 14,734,918,862.40/131,905.54
  6. Step 6: Final answer
    x = 111,708.11

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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.