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Finding the Fourth Proportional to 186,255.90, 279,281.79 and 73,822.23

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Solution

The fourth proportional to 186,255.90, 279,281.79 and 73,822.23 is: 110,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,255.90 : 279,281.79 = 73,822.23 : x
  2. Step 2: Convert to fraction form
    186,255.90/279,281.79 = 73,822.23/x
  3. Step 3: Cross multiply
    186,255.90x = 279,281.79 × 73,822.23
  4. Step 4: Simplify right side
    186,255.90x = 20,617,204,536.19
  5. Step 5: Solve for x
    x = 20,617,204,536.19/186,255.90
  6. Step 6: Final answer
    x = 110,692.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.