Home / 175,708.12-242,462.31-103,103.52

Finding the Fourth Proportional to 175,708.12, 242,462.31 and 103,103.52

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Solution

The fourth proportional to 175,708.12, 242,462.31 and 103,103.52 is: 142,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,708.12 : 242,462.31 = 103,103.52 : x
  2. Step 2: Convert to fraction form
    175,708.12/242,462.31 = 103,103.52/x
  3. Step 3: Cross multiply
    175,708.12x = 242,462.31 × 103,103.52
  4. Step 4: Simplify right side
    175,708.12x = 24,998,715,900.50
  5. Step 5: Solve for x
    x = 24,998,715,900.50/175,708.12
  6. Step 6: Final answer
    x = 142,274.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.