Home / 109,360.20-163,821.60-73,930.80

Finding the Fourth Proportional to 109,360.20, 163,821.60 and 73,930.80

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Solution

The fourth proportional to 109,360.20, 163,821.60 and 73,930.80 is: 110,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,360.20 : 163,821.60 = 73,930.80 : x
  2. Step 2: Convert to fraction form
    109,360.20/163,821.60 = 73,930.80/x
  3. Step 3: Cross multiply
    109,360.20x = 163,821.60 × 73,930.80
  4. Step 4: Simplify right side
    109,360.20x = 12,111,461,945.28
  5. Step 5: Solve for x
    x = 12,111,461,945.28/109,360.20
  6. Step 6: Final answer
    x = 110,748.35

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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.