Home / 194,182.10-268,053.88-130,556.78

Finding the Fourth Proportional to 194,182.10, 268,053.88 and 130,556.78

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Solution

The fourth proportional to 194,182.10, 268,053.88 and 130,556.78 is: 180,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,182.10 : 268,053.88 = 130,556.78 : x
  2. Step 2: Convert to fraction form
    194,182.10/268,053.88 = 130,556.78/x
  3. Step 3: Cross multiply
    194,182.10x = 268,053.88 × 130,556.78
  4. Step 4: Simplify right side
    194,182.10x = 34,996,249,772.65
  5. Step 5: Solve for x
    x = 34,996,249,772.65/194,182.10
  6. Step 6: Final answer
    x = 180,223.88

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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.