Home / 132,945.26-183,466.94-72,518.07

Finding the Fourth Proportional to 132,945.26, 183,466.94 and 72,518.07

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Solution

The fourth proportional to 132,945.26, 183,466.94 and 72,518.07 is: 100,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945.26 : 183,466.94 = 72,518.07 : x
  2. Step 2: Convert to fraction form
    132,945.26/183,466.94 = 72,518.07/x
  3. Step 3: Cross multiply
    132,945.26x = 183,466.94 × 72,518.07
  4. Step 4: Simplify right side
    132,945.26x = 13,304,668,566.99
  5. Step 5: Solve for x
    x = 13,304,668,566.99/132,945.26
  6. Step 6: Final answer
    x = 100,076.29

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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.