Home / 192,152.24-288,665.75-139,008.14

Finding the Fourth Proportional to 192,152.24, 288,665.75 and 139,008.14

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Solution

The fourth proportional to 192,152.24, 288,665.75 and 139,008.14 is: 208,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,152.24 : 288,665.75 = 139,008.14 : x
  2. Step 2: Convert to fraction form
    192,152.24/288,665.75 = 139,008.14/x
  3. Step 3: Cross multiply
    192,152.24x = 288,665.75 × 139,008.14
  4. Step 4: Simplify right side
    192,152.24x = 40,126,888,989.21
  5. Step 5: Solve for x
    x = 40,126,888,989.21/192,152.24
  6. Step 6: Final answer
    x = 208,828.63

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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.