Home / 182,142.90-273,214.35-128,998.80

Finding the Fourth Proportional to 182,142.90, 273,214.35 and 128,998.80

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Solution

The fourth proportional to 182,142.90, 273,214.35 and 128,998.80 is: 193,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,142.90 : 273,214.35 = 128,998.80 : x
  2. Step 2: Convert to fraction form
    182,142.90/273,214.35 = 128,998.80/x
  3. Step 3: Cross multiply
    182,142.90x = 273,214.35 × 128,998.80
  4. Step 4: Simplify right side
    182,142.90x = 35,244,323,292.78
  5. Step 5: Solve for x
    x = 35,244,323,292.78/182,142.90
  6. Step 6: Final answer
    x = 193,498.20

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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.