Home / 109,199.49-163,800.15-30,319.87

Finding the Fourth Proportional to 109,199.49, 163,800.15 and 30,319.87

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Solution

The fourth proportional to 109,199.49, 163,800.15 and 30,319.87 is: 45,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,199.49 : 163,800.15 = 30,319.87 : x
  2. Step 2: Convert to fraction form
    109,199.49/163,800.15 = 30,319.87/x
  3. Step 3: Cross multiply
    109,199.49x = 163,800.15 × 30,319.87
  4. Step 4: Simplify right side
    109,199.49x = 4,966,399,253.98
  5. Step 5: Solve for x
    x = 4,966,399,253.98/109,199.49
  6. Step 6: Final answer
    x = 45,480.06

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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.