Home / 170,738.10-256,337.55-108,530.10

Finding the Fourth Proportional to 170,738.10, 256,337.55 and 108,530.10

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Solution

The fourth proportional to 170,738.10, 256,337.55 and 108,530.10 is: 162,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,738.10 : 256,337.55 = 108,530.10 : x
  2. Step 2: Convert to fraction form
    170,738.10/256,337.55 = 108,530.10/x
  3. Step 3: Cross multiply
    170,738.10x = 256,337.55 × 108,530.10
  4. Step 4: Simplify right side
    170,738.10x = 27,820,339,935.26
  5. Step 5: Solve for x
    x = 27,820,339,935.26/170,738.10
  6. Step 6: Final answer
    x = 162,941.60

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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.