Home / 109,276.39-163,871.45-53,099.85

Finding the Fourth Proportional to 109,276.39, 163,871.45 and 53,099.85

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Solution

The fourth proportional to 109,276.39, 163,871.45 and 53,099.85 is: 79,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,276.39 : 163,871.45 = 53,099.85 : x
  2. Step 2: Convert to fraction form
    109,276.39/163,871.45 = 53,099.85/x
  3. Step 3: Cross multiply
    109,276.39x = 163,871.45 × 53,099.85
  4. Step 4: Simplify right side
    109,276.39x = 8,701,550,261.11
  5. Step 5: Solve for x
    x = 8,701,550,261.11/109,276.39
  6. Step 6: Final answer
    x = 79,628.82

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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.