Home / 180,051.08-269,870.70-112,613.72

Finding the Fourth Proportional to 180,051.08, 269,870.70 and 112,613.72

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Solution

The fourth proportional to 180,051.08, 269,870.70 and 112,613.72 is: 168,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,051.08 : 269,870.70 = 112,613.72 : x
  2. Step 2: Convert to fraction form
    180,051.08/269,870.70 = 112,613.72/x
  3. Step 3: Cross multiply
    180,051.08x = 269,870.70 × 112,613.72
  4. Step 4: Simplify right side
    180,051.08x = 30,391,143,446.00
  5. Step 5: Solve for x
    x = 30,391,143,446.00/180,051.08
  6. Step 6: Final answer
    x = 168,791.79

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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.