Home / 165,021.84-227,726.64-89,570.34

Finding the Fourth Proportional to 165,021.84, 227,726.64 and 89,570.34

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Solution

The fourth proportional to 165,021.84, 227,726.64 and 89,570.34 is: 123,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,021.84 : 227,726.64 = 89,570.34 : x
  2. Step 2: Convert to fraction form
    165,021.84/227,726.64 = 89,570.34/x
  3. Step 3: Cross multiply
    165,021.84x = 227,726.64 × 89,570.34
  4. Step 4: Simplify right side
    165,021.84x = 20,397,552,571.86
  5. Step 5: Solve for x
    x = 20,397,552,571.86/165,021.84
  6. Step 6: Final answer
    x = 123,605.17

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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.