Home / 100,213.36-150,125.49-89,566.31

Finding the Fourth Proportional to 100,213.36, 150,125.49 and 89,566.31

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Solution

The fourth proportional to 100,213.36, 150,125.49 and 89,566.31 is: 134,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,213.36 : 150,125.49 = 89,566.31 : x
  2. Step 2: Convert to fraction form
    100,213.36/150,125.49 = 89,566.31/x
  3. Step 3: Cross multiply
    100,213.36x = 150,125.49 × 89,566.31
  4. Step 4: Simplify right side
    100,213.36x = 13,446,186,176.24
  5. Step 5: Solve for x
    x = 13,446,186,176.24/100,213.36
  6. Step 6: Final answer
    x = 134,175.59

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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.