Home / 340,086.55-510,149.03-103,436.95

Finding the Fourth Proportional to 340,086.55, 510,149.03 and 103,436.95

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Solution

The fourth proportional to 340,086.55, 510,149.03 and 103,436.95 is: 155,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,086.55 : 510,149.03 = 103,436.95 : x
  2. Step 2: Convert to fraction form
    340,086.55/510,149.03 = 103,436.95/x
  3. Step 3: Cross multiply
    340,086.55x = 510,149.03 × 103,436.95
  4. Step 4: Simplify right side
    340,086.55x = 52,768,259,708.66
  5. Step 5: Solve for x
    x = 52,768,259,708.66/340,086.55
  6. Step 6: Final answer
    x = 155,161.27

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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.