Home / 120,260.10-180,827.55-117,635.70

Finding the Fourth Proportional to 120,260.10, 180,827.55 and 117,635.70

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Solution

The fourth proportional to 120,260.10, 180,827.55 and 117,635.70 is: 176,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,260.10 : 180,827.55 = 117,635.70 : x
  2. Step 2: Convert to fraction form
    120,260.10/180,827.55 = 117,635.70/x
  3. Step 3: Cross multiply
    120,260.10x = 180,827.55 × 117,635.70
  4. Step 4: Simplify right side
    120,260.10x = 21,271,775,423.54
  5. Step 5: Solve for x
    x = 21,271,775,423.54/120,260.10
  6. Step 6: Final answer
    x = 176,881.40

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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.