Home / 134,428.11-185,504.83-74,002.65

Finding the Fourth Proportional to 134,428.11, 185,504.83 and 74,002.65

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Solution

The fourth proportional to 134,428.11, 185,504.83 and 74,002.65 is: 102,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,428.11 : 185,504.83 = 74,002.65 : x
  2. Step 2: Convert to fraction form
    134,428.11/185,504.83 = 74,002.65/x
  3. Step 3: Cross multiply
    134,428.11x = 185,504.83 × 74,002.65
  4. Step 4: Simplify right side
    134,428.11x = 13,727,849,007.80
  5. Step 5: Solve for x
    x = 13,727,849,007.80/134,428.11
  6. Step 6: Final answer
    x = 102,120.38

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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.