Home / 133,014.91-183,564.47-72,589.45

Finding the Fourth Proportional to 133,014.91, 183,564.47 and 72,589.45

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Solution

The fourth proportional to 133,014.91, 183,564.47 and 72,589.45 is: 100,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,014.91 : 183,564.47 = 72,589.45 : x
  2. Step 2: Convert to fraction form
    133,014.91/183,564.47 = 72,589.45/x
  3. Step 3: Cross multiply
    133,014.91x = 183,564.47 × 72,589.45
  4. Step 4: Simplify right side
    133,014.91x = 13,324,844,625.28
  5. Step 5: Solve for x
    x = 13,324,844,625.28/133,014.91
  6. Step 6: Final answer
    x = 100,175.57

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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.