Home / 109,010.40-163,515.60-98,296.80

Finding the Fourth Proportional to 109,010.40, 163,515.60 and 98,296.80

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Solution

The fourth proportional to 109,010.40, 163,515.60 and 98,296.80 is: 147,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,010.40 : 163,515.60 = 98,296.80 : x
  2. Step 2: Convert to fraction form
    109,010.40/163,515.60 = 98,296.80/x
  3. Step 3: Cross multiply
    109,010.40x = 163,515.60 × 98,296.80
  4. Step 4: Simplify right side
    109,010.40x = 16,073,060,230.08
  5. Step 5: Solve for x
    x = 16,073,060,230.08/109,010.40
  6. Step 6: Final answer
    x = 147,445.20

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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.