Home / 108,240.71-162,303.04-54,196.90

Finding the Fourth Proportional to 108,240.71, 162,303.04 and 54,196.90

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Solution

The fourth proportional to 108,240.71, 162,303.04 and 54,196.90 is: 81,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,240.71 : 162,303.04 = 54,196.90 : x
  2. Step 2: Convert to fraction form
    108,240.71/162,303.04 = 54,196.90/x
  3. Step 3: Cross multiply
    108,240.71x = 162,303.04 × 54,196.90
  4. Step 4: Simplify right side
    108,240.71x = 8,796,321,290.56
  5. Step 5: Solve for x
    x = 8,796,321,290.56/108,240.71
  6. Step 6: Final answer
    x = 81,266.30

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1.5x scale

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.