Home / 130,653.60-180,043.92-92,821.92

Finding the Fourth Proportional to 130,653.60, 180,043.92 and 92,821.92

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Solution

The fourth proportional to 130,653.60, 180,043.92 and 92,821.92 is: 127,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,653.60 : 180,043.92 = 92,821.92 : x
  2. Step 2: Convert to fraction form
    130,653.60/180,043.92 = 92,821.92/x
  3. Step 3: Cross multiply
    130,653.60x = 180,043.92 × 92,821.92
  4. Step 4: Simplify right side
    130,653.60x = 16,712,022,338.73
  5. Step 5: Solve for x
    x = 16,712,022,338.73/130,653.60
  6. Step 6: Final answer
    x = 127,910.92

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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.