Home / 260,119.46-390,210.45-91,604.95

Finding the Fourth Proportional to 260,119.46, 390,210.45 and 91,604.95

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Solution

The fourth proportional to 260,119.46, 390,210.45 and 91,604.95 is: 137,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,119.46 : 390,210.45 = 91,604.95 : x
  2. Step 2: Convert to fraction form
    260,119.46/390,210.45 = 91,604.95/x
  3. Step 3: Cross multiply
    260,119.46x = 390,210.45 × 91,604.95
  4. Step 4: Simplify right side
    260,119.46x = 35,745,208,303.70
  5. Step 5: Solve for x
    x = 35,745,208,303.70/260,119.46
  6. Step 6: Final answer
    x = 137,418.43

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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.