Home / 109,797.18-164,570.28-49,871.35

Finding the Fourth Proportional to 109,797.18, 164,570.28 and 49,871.35

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Solution

The fourth proportional to 109,797.18, 164,570.28 and 49,871.35 is: 74,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,797.18 : 164,570.28 = 49,871.35 : x
  2. Step 2: Convert to fraction form
    109,797.18/164,570.28 = 49,871.35/x
  3. Step 3: Cross multiply
    109,797.18x = 164,570.28 × 49,871.35
  4. Step 4: Simplify right side
    109,797.18x = 8,207,342,033.48
  5. Step 5: Solve for x
    x = 8,207,342,033.48/109,797.18
  6. Step 6: Final answer
    x = 74,750.03

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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.