Home / 170,181.72-255,387.42-128,092.91

Finding the Fourth Proportional to 170,181.72, 255,387.42 and 128,092.91

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Solution

The fourth proportional to 170,181.72, 255,387.42 and 128,092.91 is: 192,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,181.72 : 255,387.42 = 128,092.91 : x
  2. Step 2: Convert to fraction form
    170,181.72/255,387.42 = 128,092.91/x
  3. Step 3: Cross multiply
    170,181.72x = 255,387.42 × 128,092.91
  4. Step 4: Simplify right side
    170,181.72x = 32,713,316,528.26
  5. Step 5: Solve for x
    x = 32,713,316,528.26/170,181.72
  6. Step 6: Final answer
    x = 192,225.80

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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.