Home / 260,071.26-390,114.18-127,057.92

Finding the Fourth Proportional to 260,071.26, 390,114.18 and 127,057.92

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Solution

The fourth proportional to 260,071.26, 390,114.18 and 127,057.92 is: 190,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,071.26 : 390,114.18 = 127,057.92 : x
  2. Step 2: Convert to fraction form
    260,071.26/390,114.18 = 127,057.92/x
  3. Step 3: Cross multiply
    260,071.26x = 390,114.18 × 127,057.92
  4. Step 4: Simplify right side
    260,071.26x = 49,567,096,273.31
  5. Step 5: Solve for x
    x = 49,567,096,273.31/260,071.26
  6. Step 6: Final answer
    x = 190,590.44

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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.