Home / 260,072.76-390,116.43-127,059.42

Finding the Fourth Proportional to 260,072.76, 390,116.43 and 127,059.42

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Solution

The fourth proportional to 260,072.76, 390,116.43 and 127,059.42 is: 190,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,072.76 : 390,116.43 = 127,059.42 : x
  2. Step 2: Convert to fraction form
    260,072.76/390,116.43 = 127,059.42/x
  3. Step 3: Cross multiply
    260,072.76x = 390,116.43 × 127,059.42
  4. Step 4: Simplify right side
    260,072.76x = 49,567,967,328.27
  5. Step 5: Solve for x
    x = 49,567,967,328.27/260,072.76
  6. Step 6: Final answer
    x = 190,592.69

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1.5x scale

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.