Home / 120,252.60-180,816.30-117,628.20

Finding the Fourth Proportional to 120,252.60, 180,816.30 and 117,628.20

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Solution

The fourth proportional to 120,252.60, 180,816.30 and 117,628.20 is: 176,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,252.60 : 180,816.30 = 117,628.20 : x
  2. Step 2: Convert to fraction form
    120,252.60/180,816.30 = 117,628.20/x
  3. Step 3: Cross multiply
    120,252.60x = 180,816.30 × 117,628.20
  4. Step 4: Simplify right side
    120,252.60x = 21,269,095,899.66
  5. Step 5: Solve for x
    x = 21,269,095,899.66/120,252.60
  6. Step 6: Final answer
    x = 176,870.15

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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.