Home / 180,141.76-270,212.10-126,613.36

Finding the Fourth Proportional to 180,141.76, 270,212.10 and 126,613.36

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Solution

The fourth proportional to 180,141.76, 270,212.10 and 126,613.36 is: 189,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,141.76 : 270,212.10 = 126,613.36 : x
  2. Step 2: Convert to fraction form
    180,141.76/270,212.10 = 126,613.36/x
  3. Step 3: Cross multiply
    180,141.76x = 270,212.10 × 126,613.36
  4. Step 4: Simplify right side
    180,141.76x = 34,212,461,893.66
  5. Step 5: Solve for x
    x = 34,212,461,893.66/180,141.76
  6. Step 6: Final answer
    x = 189,919.66

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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.