Home / 189,105.30-283,269.15-130,007.70

Finding the Fourth Proportional to 189,105.30, 283,269.15 and 130,007.70

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Solution

The fourth proportional to 189,105.30, 283,269.15 and 130,007.70 is: 194,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,105.30 : 283,269.15 = 130,007.70 : x
  2. Step 2: Convert to fraction form
    189,105.30/283,269.15 = 130,007.70/x
  3. Step 3: Cross multiply
    189,105.30x = 283,269.15 × 130,007.70
  4. Step 4: Simplify right side
    189,105.30x = 36,827,170,672.46
  5. Step 5: Solve for x
    x = 36,827,170,672.46/189,105.30
  6. Step 6: Final answer
    x = 194,744.25

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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.