Home / 170,720.20-256,080.30-96,070.60

Finding the Fourth Proportional to 170,720.20, 256,080.30 and 96,070.60

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Solution

The fourth proportional to 170,720.20, 256,080.30 and 96,070.60 is: 144,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,720.20 : 256,080.30 = 96,070.60 : x
  2. Step 2: Convert to fraction form
    170,720.20/256,080.30 = 96,070.60/x
  3. Step 3: Cross multiply
    170,720.20x = 256,080.30 × 96,070.60
  4. Step 4: Simplify right side
    170,720.20x = 24,601,788,069.18
  5. Step 5: Solve for x
    x = 24,601,788,069.18/170,720.20
  6. Step 6: Final answer
    x = 144,105.90

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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.