Home / 108,764.20-163,583.70-97,391.80

Finding the Fourth Proportional to 108,764.20, 163,583.70 and 97,391.80

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Solution

The fourth proportional to 108,764.20, 163,583.70 and 97,391.80 is: 146,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,764.20 : 163,583.70 = 97,391.80 : x
  2. Step 2: Convert to fraction form
    108,764.20/163,583.70 = 97,391.80/x
  3. Step 3: Cross multiply
    108,764.20x = 163,583.70 × 97,391.80
  4. Step 4: Simplify right side
    108,764.20x = 15,931,710,993.66
  5. Step 5: Solve for x
    x = 15,931,710,993.66/108,764.20
  6. Step 6: Final answer
    x = 146,479.37

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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.