Home / 133,234.47-183,860.37-72,805.23

Finding the Fourth Proportional to 133,234.47, 183,860.37 and 72,805.23

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Solution

The fourth proportional to 133,234.47, 183,860.37 and 72,805.23 is: 100,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,234.47 : 183,860.37 = 72,805.23 : x
  2. Step 2: Convert to fraction form
    133,234.47/183,860.37 = 72,805.23/x
  3. Step 3: Cross multiply
    133,234.47x = 183,860.37 × 72,805.23
  4. Step 4: Simplify right side
    133,234.47x = 13,385,996,525.74
  5. Step 5: Solve for x
    x = 13,385,996,525.74/133,234.47
  6. Step 6: Final answer
    x = 100,469.47

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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.