Home / 150,683.94-207,908.91-90,243.36

Finding the Fourth Proportional to 150,683.94, 207,908.91 and 90,243.36

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Solution

The fourth proportional to 150,683.94, 207,908.91 and 90,243.36 is: 124,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,683.94 : 207,908.91 = 90,243.36 : x
  2. Step 2: Convert to fraction form
    150,683.94/207,908.91 = 90,243.36/x
  3. Step 3: Cross multiply
    150,683.94x = 207,908.91 × 90,243.36
  4. Step 4: Simplify right side
    150,683.94x = 18,762,398,612.34
  5. Step 5: Solve for x
    x = 18,762,398,612.34/150,683.94
  6. Step 6: Final answer
    x = 124,514.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.