Home / 134,879.46-186,133.68-74,450.13

Finding the Fourth Proportional to 134,879.46, 186,133.68 and 74,450.13

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Solution

The fourth proportional to 134,879.46, 186,133.68 and 74,450.13 is: 102,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,879.46 : 186,133.68 = 74,450.13 : x
  2. Step 2: Convert to fraction form
    134,879.46/186,133.68 = 74,450.13/x
  3. Step 3: Cross multiply
    134,879.46x = 186,133.68 × 74,450.13
  4. Step 4: Simplify right side
    134,879.46x = 13,857,676,673.38
  5. Step 5: Solve for x
    x = 13,857,676,673.38/134,879.46
  6. Step 6: Final answer
    x = 102,741.19

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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.