Home / 175,566.20-263,349.30-105,409.40

Finding the Fourth Proportional to 175,566.20, 263,349.30 and 105,409.40

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Solution

The fourth proportional to 175,566.20, 263,349.30 and 105,409.40 is: 158,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,566.20 : 263,349.30 = 105,409.40 : x
  2. Step 2: Convert to fraction form
    175,566.20/263,349.30 = 105,409.40/x
  3. Step 3: Cross multiply
    175,566.20x = 263,349.30 × 105,409.40
  4. Step 4: Simplify right side
    175,566.20x = 27,759,491,703.42
  5. Step 5: Solve for x
    x = 27,759,491,703.42/175,566.20
  6. Step 6: Final answer
    x = 158,114.10

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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.