Home / 260,642.26-390,995.58-92,127.83

Finding the Fourth Proportional to 260,642.26, 390,995.58 and 92,127.83

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Solution

The fourth proportional to 260,642.26, 390,995.58 and 92,127.83 is: 138,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,642.26 : 390,995.58 = 92,127.83 : x
  2. Step 2: Convert to fraction form
    260,642.26/390,995.58 = 92,127.83/x
  3. Step 3: Cross multiply
    260,642.26x = 390,995.58 × 92,127.83
  4. Step 4: Simplify right side
    260,642.26x = 36,021,574,324.99
  5. Step 5: Solve for x
    x = 36,021,574,324.99/260,642.26
  6. Step 6: Final answer
    x = 138,203.12

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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.