Home / 150,516.34-207,712.56-81,606.04

Finding the Fourth Proportional to 150,516.34, 207,712.56 and 81,606.04

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Solution

The fourth proportional to 150,516.34, 207,712.56 and 81,606.04 is: 112,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,516.34 : 207,712.56 = 81,606.04 : x
  2. Step 2: Convert to fraction form
    150,516.34/207,712.56 = 81,606.04/x
  3. Step 3: Cross multiply
    150,516.34x = 207,712.56 × 81,606.04
  4. Step 4: Simplify right side
    150,516.34x = 16,950,599,479.86
  5. Step 5: Solve for x
    x = 16,950,599,479.86/150,516.34
  6. Step 6: Final answer
    x = 112,616.34

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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.