Home / 134,501.38-185,556.19-80,042.65

Finding the Fourth Proportional to 134,501.38, 185,556.19 and 80,042.65

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Solution

The fourth proportional to 134,501.38, 185,556.19 and 80,042.65 is: 110,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,501.38 : 185,556.19 = 80,042.65 : x
  2. Step 2: Convert to fraction form
    134,501.38/185,556.19 = 80,042.65/x
  3. Step 3: Cross multiply
    134,501.38x = 185,556.19 × 80,042.65
  4. Step 4: Simplify right side
    134,501.38x = 14,852,408,771.29
  5. Step 5: Solve for x
    x = 14,852,408,771.29/134,501.38
  6. Step 6: Final answer
    x = 110,425.70

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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.