Home / 133,164.24-183,744.82-78,708.84

Finding the Fourth Proportional to 133,164.24, 183,744.82 and 78,708.84

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Solution

The fourth proportional to 133,164.24, 183,744.82 and 78,708.84 is: 108,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,164.24 : 183,744.82 = 78,708.84 : x
  2. Step 2: Convert to fraction form
    133,164.24/183,744.82 = 78,708.84/x
  3. Step 3: Cross multiply
    133,164.24x = 183,744.82 × 78,708.84
  4. Step 4: Simplify right side
    133,164.24x = 14,462,341,638.21
  5. Step 5: Solve for x
    x = 14,462,341,638.21/133,164.24
  6. Step 6: Final answer
    x = 108,605.30

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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.