Home / 108,267.12-162,395.52-28,305.12

Finding the Fourth Proportional to 108,267.12, 162,395.52 and 28,305.12

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Solution

The fourth proportional to 108,267.12, 162,395.52 and 28,305.12 is: 42,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,267.12 : 162,395.52 = 28,305.12 : x
  2. Step 2: Convert to fraction form
    108,267.12/162,395.52 = 28,305.12/x
  3. Step 3: Cross multiply
    108,267.12x = 162,395.52 × 28,305.12
  4. Step 4: Simplify right side
    108,267.12x = 4,596,624,681.06
  5. Step 5: Solve for x
    x = 4,596,624,681.06/108,267.12
  6. Step 6: Final answer
    x = 42,456.33

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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.