Home / 109,241.50-163,871.14-30,355.73

Finding the Fourth Proportional to 109,241.50, 163,871.14 and 30,355.73

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Solution

The fourth proportional to 109,241.50, 163,871.14 and 30,355.73 is: 45,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,241.50 : 163,871.14 = 30,355.73 : x
  2. Step 2: Convert to fraction form
    109,241.50/163,871.14 = 30,355.73/x
  3. Step 3: Cross multiply
    109,241.50x = 163,871.14 × 30,355.73
  4. Step 4: Simplify right side
    109,241.50x = 4,974,428,080.63
  5. Step 5: Solve for x
    x = 4,974,428,080.63/109,241.50
  6. Step 6: Final answer
    x = 45,536.07

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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.