Home / 239,675.10-359,743.05-121,479.90

Finding the Fourth Proportional to 239,675.10, 359,743.05 and 121,479.90

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Solution

The fourth proportional to 239,675.10, 359,743.05 and 121,479.90 is: 182,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,675.10 : 359,743.05 = 121,479.90 : x
  2. Step 2: Convert to fraction form
    239,675.10/359,743.05 = 121,479.90/x
  3. Step 3: Cross multiply
    239,675.10x = 359,743.05 × 121,479.90
  4. Step 4: Simplify right side
    239,675.10x = 43,701,549,739.70
  5. Step 5: Solve for x
    x = 43,701,549,739.70/239,675.10
  6. Step 6: Final answer
    x = 182,336.63

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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.