Home / 192,150.74-288,663.50-139,006.64

Finding the Fourth Proportional to 192,150.74, 288,663.50 and 139,006.64

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Solution

The fourth proportional to 192,150.74, 288,663.50 and 139,006.64 is: 208,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,150.74 : 288,663.50 = 139,006.64 : x
  2. Step 2: Convert to fraction form
    192,150.74/288,663.50 = 139,006.64/x
  3. Step 3: Cross multiply
    192,150.74x = 288,663.50 × 139,006.64
  4. Step 4: Simplify right side
    192,150.74x = 40,126,142,129.84
  5. Step 5: Solve for x
    x = 40,126,142,129.84/192,150.74
  6. Step 6: Final answer
    x = 208,826.38

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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.