Home / 108,855.77-163,345.84-42,287.23

Finding the Fourth Proportional to 108,855.77, 163,345.84 and 42,287.23

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Solution

The fourth proportional to 108,855.77, 163,345.84 and 42,287.23 is: 63,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,855.77 : 163,345.84 = 42,287.23 : x
  2. Step 2: Convert to fraction form
    108,855.77/163,345.84 = 42,287.23/x
  3. Step 3: Cross multiply
    108,855.77x = 163,345.84 × 42,287.23
  4. Step 4: Simplify right side
    108,855.77x = 6,907,443,105.62
  5. Step 5: Solve for x
    x = 6,907,443,105.62/108,855.77
  6. Step 6: Final answer
    x = 63,455.00

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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.