Home / 182,972.70-274,459.05-129,828.60

Finding the Fourth Proportional to 182,972.70, 274,459.05 and 129,828.60

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Solution

The fourth proportional to 182,972.70, 274,459.05 and 129,828.60 is: 194,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,972.70 : 274,459.05 = 129,828.60 : x
  2. Step 2: Convert to fraction form
    182,972.70/274,459.05 = 129,828.60/x
  3. Step 3: Cross multiply
    182,972.70x = 274,459.05 × 129,828.60
  4. Step 4: Simplify right side
    182,972.70x = 35,632,634,218.83
  5. Step 5: Solve for x
    x = 35,632,634,218.83/182,972.70
  6. Step 6: Final answer
    x = 194,742.90

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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.