Home / 189,341.10-261,303.39-108,794.70

Finding the Fourth Proportional to 189,341.10, 261,303.39 and 108,794.70

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Solution

The fourth proportional to 189,341.10, 261,303.39 and 108,794.70 is: 150,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,341.10 : 261,303.39 = 108,794.70 : x
  2. Step 2: Convert to fraction form
    189,341.10/261,303.39 = 108,794.70/x
  3. Step 3: Cross multiply
    189,341.10x = 261,303.39 × 108,794.70
  4. Step 4: Simplify right side
    189,341.10x = 28,428,423,924.03
  5. Step 5: Solve for x
    x = 28,428,423,924.03/189,341.10
  6. Step 6: Final answer
    x = 150,143.97

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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.