Home / 150,106.09-207,141.82-89,663.08

Finding the Fourth Proportional to 150,106.09, 207,141.82 and 89,663.08

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Solution

The fourth proportional to 150,106.09, 207,141.82 and 89,663.08 is: 123,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,106.09 : 207,141.82 = 89,663.08 : x
  2. Step 2: Convert to fraction form
    150,106.09/207,141.82 = 89,663.08/x
  3. Step 3: Cross multiply
    150,106.09x = 207,141.82 × 89,663.08
  4. Step 4: Simplify right side
    150,106.09x = 18,572,973,578.01
  5. Step 5: Solve for x
    x = 18,572,973,578.01/150,106.09
  6. Step 6: Final answer
    x = 123,732.31

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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.