Home / 120,260.60-180,828.30-117,636.20

Finding the Fourth Proportional to 120,260.60, 180,828.30 and 117,636.20

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Solution

The fourth proportional to 120,260.60, 180,828.30 and 117,636.20 is: 176,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,260.60 : 180,828.30 = 117,636.20 : x
  2. Step 2: Convert to fraction form
    120,260.60/180,828.30 = 117,636.20/x
  3. Step 3: Cross multiply
    120,260.60x = 180,828.30 × 117,636.20
  4. Step 4: Simplify right side
    120,260.60x = 21,271,954,064.46
  5. Step 5: Solve for x
    x = 21,271,954,064.46/120,260.60
  6. Step 6: Final answer
    x = 176,882.15

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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.