Home / 109,197.09-163,818.90-61,834.35

Finding the Fourth Proportional to 109,197.09, 163,818.90 and 61,834.35

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Solution

The fourth proportional to 109,197.09, 163,818.90 and 61,834.35 is: 92,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,197.09 : 163,818.90 = 61,834.35 : x
  2. Step 2: Convert to fraction form
    109,197.09/163,818.90 = 61,834.35/x
  3. Step 3: Cross multiply
    109,197.09x = 163,818.90 × 61,834.35
  4. Step 4: Simplify right side
    109,197.09x = 10,129,635,199.22
  5. Step 5: Solve for x
    x = 10,129,635,199.22/109,197.09
  6. Step 6: Final answer
    x = 92,764.70

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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.