Home / 231,925.80-320,052.96-129,950.04

Finding the Fourth Proportional to 231,925.80, 320,052.96 and 129,950.04

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Solution

The fourth proportional to 231,925.80, 320,052.96 and 129,950.04 is: 179,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,925.80 : 320,052.96 = 129,950.04 : x
  2. Step 2: Convert to fraction form
    231,925.80/320,052.96 = 129,950.04/x
  3. Step 3: Cross multiply
    231,925.80x = 320,052.96 × 129,950.04
  4. Step 4: Simplify right side
    231,925.80x = 41,590,894,954.12
  5. Step 5: Solve for x
    x = 41,590,894,954.12/231,925.80
  6. Step 6: Final answer
    x = 179,328.45

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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.