Home / 108,927.20-163,352.40-38,808.80

Finding the Fourth Proportional to 108,927.20, 163,352.40 and 38,808.80

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Solution

The fourth proportional to 108,927.20, 163,352.40 and 38,808.80 is: 58,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,927.20 : 163,352.40 = 38,808.80 : x
  2. Step 2: Convert to fraction form
    108,927.20/163,352.40 = 38,808.80/x
  3. Step 3: Cross multiply
    108,927.20x = 163,352.40 × 38,808.80
  4. Step 4: Simplify right side
    108,927.20x = 6,339,510,621.12
  5. Step 5: Solve for x
    x = 6,339,510,621.12/108,927.20
  6. Step 6: Final answer
    x = 58,199.52

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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.